![Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/f699794bfc8f45d79eb24cc3d95becfb.jpg)
Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the International Pavilion of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/5493b70648ad4f90b8022cff457b57d8.jpg)
Visitors tour the International Pavilion of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors have their tickets checked at the entrance of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/8d0125903d5d43aa9cf0537a64bde533.jpg)
Visitors have their tickets checked at the entrance of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)](http://www.ecns.cn/hd/2019/04/22/2fc7292cec5c4643af265359739a23c2.jpg)
Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)
![Visitors tour the Shanxi Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/5240265302d740d8a1bba3e2958c1ded.jpg)
Visitors tour the Shanxi Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the Anhui Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)](http://www.ecns.cn/hd/2019/04/22/12cc609826134c80b997f0e259ebd10e.jpg)
Visitors tour the Anhui Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)
![Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/21b30d812e244c83be0e2f4fa1ab47f7.jpg)
Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the Anhui Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)](http://www.ecns.cn/hd/2019/04/22/ce14aca6897f4d1587765b0ec2af2d49.jpg)
Visitors tour the Anhui Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)
![Volunteers give directions to a visitor to the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/f5201c1fe8f24d60926f0c73c3a8842f.jpg)
Volunteers give directions to a visitor to the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)](http://www.ecns.cn/hd/2019/04/22/1441e9f52de44a3aba4f9dff75c94f45.jpg)
Visitors tour the Beijing Garden of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Ju Huanzong)
![Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)](http://www.ecns.cn/hd/2019/04/22/17a23e5f349a4341aad1240e4670d63c.jpg)
Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)
![Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)](http://www.ecns.cn/hd/2019/04/22/5c3b57fed3954e6dbaf529a87dfdaa6a.jpg)
Visitors tour the site of the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Zhang Chenlin)
![Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)](http://www.ecns.cn/hd/2019/04/22/9c28b79528554a749e6fac4b8d6f6db9.jpg)
Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)
![Photo taken with a mobile phone shows blooming flowers at the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)](http://www.ecns.cn/hd/2019/04/22/049ccd2639d2418fa8581cad45ffd6e6.jpg)
Photo taken with a mobile phone shows blooming flowers at the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)
![Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)](http://www.ecns.cn/hd/2019/04/22/e1a3026710fa4b7e86262c37b89ea979.jpg)
Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)
![Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)](http://www.ecns.cn/hd/2019/04/22/ddd3dbb26ba442b78fe7829e119e6421.jpg)
Photo taken with a mobile phone shows people visiting the 2019 Beijing International Horticultural Exhibition (Expo 2019 Beijing) venue during a trial run in Yanqing District of Beijing, capital of China, April 20, 2019. Beijing on Saturday held a trial opening of the site for the upcoming 2019 Beijing International Horticultural Exhibition to test the reception capacity of the event. About 60,000 people visited the 503-hectare expo site Saturday. (Xinhua/Wei Mengjia)