People visit China World Heritage Photo Exhibition in Los Angeles, the United States, May 22, 2019. As a part of "2019 China Tourism & Culture Week", the exhibition kicked off here Wednesday. (Xinhua/Li Ying)

People visit China World Heritage Photo Exhibition in Los Angeles, the United States, May 22, 2019. As a part of "2019 China Tourism & Culture Week", the exhibition kicked off here Wednesday. (Xinhua/Li Ying)

A woman visits China World Heritage Photo Exhibition in Los Angeles, the United States, May 22, 2019. As a part of "2019 China Tourism & Culture Week", the exhibition kicked off here Wednesday. (Xinhua/Li Ying)

People visit China World Heritage Photo Exhibition in Los Angeles, the United States, May 22, 2019. As a part of "2019 China Tourism & Culture Week", the exhibition kicked off here Wednesday. (Xinhua/Li Ying)