![The No. 2 Humen Bridge undergoes a load test in south China\'s Guangdong Province. Lining Guangzhou and Dongguan cities, the bridge will open to the public on May 1 and is expected to reduce traffic in the core area of the Pearl River Delta, one of China\'s leading economic regions and a major manufacturing hub. (Photo: China News Service/Yue Lujian)](http://www.ecns.cn/hd/2019/03/15/4a3df735a324435fa2a3d4584d6cfed8.jpg)
The No. 2 Humen Bridge undergoes a load test in south China's Guangdong Province. Lining Guangzhou and Dongguan cities, the bridge will open to the public on May 1 and is expected to reduce traffic in the core area of the Pearl River Delta, one of China's leading economic regions and a major manufacturing hub. (Photo: China News Service/Yue Lujian)
![The No. 2 Humen Bridge undergoes a load test in south China\'s Guangdong Province. Lining Guangzhou and Dongguan cities, the bridge will open to the public on May 1 and is expected to reduce traffic in the core area of the Pearl River Delta, one of China\'s leading economic regions and a major manufacturing hub. (Photo: China News Service/Yue Lujian)](http://www.ecns.cn/hd/2019/03/15/54014a290414428ebfc1a9f12c986fdc.jpg)
The No. 2 Humen Bridge undergoes a load test in south China's Guangdong Province. Lining Guangzhou and Dongguan cities, the bridge will open to the public on May 1 and is expected to reduce traffic in the core area of the Pearl River Delta, one of China's leading economic regions and a major manufacturing hub. (Photo: China News Service/Yue Lujian)