Chinese sailors sit before the start of a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. Ships from Chinese and foreign navies have gathered in Qingdao for events this week, including a naval parade, to mark the 70th anniversary of the founding of the People's Liberation Army (PLA) Navy. (AP Photo/Mark Schiefelbein)
Spectators watch a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A Chinese navy singer performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
Spectators watch a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A Chinese military dance troupe performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
Dancers in Uighur outfits perform during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A military band from Thailand performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A military band from Vietnam performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A military band from Bangladesh performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
Chinese sailors wave flags during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
Chinese sailors sit during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)
A military band from India performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. (AP Photo/Mark Schiefelbein)