A meerkat looks at a heating lamp at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

Sulcata tortoises stay under heating lamps at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

Meerkats stay near a heating lamp at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

An orangutan plays at a room with floor heating at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

A lizard stays near heating lamps at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

Lizards stay under heating lamps at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

Sulcata tortoises stay under heating lamps at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua

Meerkats stay under a heating lamp at Chongqing Zoo in Chongqing, southwest China, Jan. 7, 2021.Photo:Xinhua