Students with their parents tour at the Shanghai Zoo at night in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
A parent observes a lizard during a lecture at the Shanghai Zoo in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
A boy observes a tortoise during a lecture at the Shanghai Zoo in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
Students with their parents tour at the Shanghai Zoo at night in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
A girl observes a tortoise during a lecture at the Shanghai Zoo in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
A red-crowned crane rests at the Shanghai Zoo at night in Shanghai, east China, Aug. 3, 2019. Students with their parents took part in a night activity at the Shanghai Zoo on Saturday to observe the night life of nocturnal animals. [Xinhua/Zhang Jiansong]
(Source: Xinhua)