FILE PHOTO: Surveillance cameras are seen near the headquarters of Chinese video surveillance firm Hikvision in Hangzhou, Zhejiang province, China May 22, 2019. Picture taken May 22, 2019. REUTERS/Stringer/File Photo
FILE PHOTO: Surveillance cameras are seen near the headquarters of Chinese video surveillance firm Hikvision in Hangzhou, Zhejiang province, China May 22, 2019. Picture taken May 22, 2019. REUTERS/Stringer/File Photo