A visitor views photography works during an exhibition themed poverty alleviation at the China Millennium Monument in Beijing, capital of China, May 31, 2019. A photo exhibition themed poverty alleviation kicked off on Friday in the China Millennium Monument. About 88 photography works are on display till June 16. (Xinhua/Cai Yang)

Visitors view a photography work during an exhibition themed poverty alleviation at the China Millennium Monument in Beijing, capital of China, May 31, 2019. A photo exhibition themed poverty alleviation kicked off on Friday in the China Millennium Monument. About 88 photography works are on display till June 16. (Xinhua/Cai Yang)

A visitor takes pictures of a photography work during an exhibition themed poverty alleviation at the China Millennium Monument in Beijing, capital of China, May 31, 2019. A photo exhibition themed poverty alleviation kicked off on Friday in the China Millennium Monument. About 88 photography works are on display till June 16. (Xinhua/Cai Yang)

A visitor views photography works during an exhibition themed poverty alleviation at the China Millennium Monument in Beijing, capital of China, May 31, 2019. A photo exhibition themed poverty alleviation kicked off on Friday in the China Millennium Monument. About 88 photography works are on display till June 16. (Xinhua/Cai Yang)

A visitor takes pictures of a photography work during an exhibition themed poverty alleviation at the China Millennium Monument in Beijing, capital of China, May 31, 2019. A photo exhibition themed poverty alleviation kicked off on Friday in the China Millennium Monument. About 88 photography works are on display till June 16. (Xinhua/Cai Yang)