Greening efforts of Xiongan showcased at horticultural expo(1/11)

Tourists visit the Hebei Garden at the Beijing International Horticultural Exhibition in Yanqing District, Beijing, capital of China, April 29, 2019. (Xinhua/Chen Yehua)

Aerial photo taken on April 25, 2019 shows the Baiyangdian lake in Xiongan New Area, north China's Hebei Province. (Xinhua/Zhu Xudong)

Aerial photo taken on April 30, 2019 shows the Baiyangdian lake in Xiongan New Area, north China's Hebei Province. (Xinhua/Xing Guangli)

Aerial photo taken on April 25, 2019 shows the Baiyangdian lake in Xiongan New Area, north China's Hebei Province. (Xinhua/Zhu Xudong)

Aerial photo taken on April 25, 2019 shows the night scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)

Aerial photo taken on April 26, 2019 shows the Baiyangdian lake in Xiongan New Area, north China's Hebei Province. (Xinhua/Zhu Xudong)

Aerial photo taken on Sept. 30, 2018 shows the scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)

Aerial photo taken on April 25, 2019 shows the scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)

Aerial photo taken on April 25, 2019 shows the scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)

Aerial photo taken on Sept. 27, 2018 shows the night scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)

Aerial photo taken on April 25, 2019 shows the scenery of the Nanhu Park in Tangshan City, north China's Hebei Province. (Xinhua/Yang Shiyao)