Tianjin strengthens ecological and wetland protection for green development

Aerial photo taken on April 19, 2019 shows the Huangyaguan Great Wall tourist resort in Jizhou District of Tianjin, north China. May 5 marks the opening of "Tianjin Day" theme event at the Beijing International Horticultural Exhibition in Beijing. The city strengthened ecological and wetland protection under the theme of "eco-friendly Tianjin, green development." (Xinhua/Li Ran)