A dog is petted during a pet festival in Mumbai, India, on Dec. 17, 2017. (Xinhua/Stringer)
Beijing launches three subway lines
Weekly choices of Xinhua photo
People perform fire dragon dance to welcome new year in E China
Canada experiences extreme cold weather
Bird catches fish, rests on lotus in Beijing
Herdsmen tame horses on snow-covered pasture in N China
In pics: aerial view of China
Chinese mergansers spend winter in E China's Wuyuan