A visitor takes photos of the newly-released DJI Mavic 2 Zoom drone during a launching event in Beijing, capital of China, Aug. 24, 2018. Chinese drone manufacturer DJI released its new Mavic drone Friday. [Photo:Xinhua/Xing Guangli]

A visitor takes photos of the newly-released DJI Mavic 2 Zoom drone during a launching event in Beijing, capital of China, Aug. 24, 2018. Chinese drone manufacturer DJI released its new Mavic drone Friday. [Photo:Xinhua/Xing Guangli]

A photographer introduces his experience of the newly-released DJI Mavic 2 Pro drone during a launching event in Beijing, capital of China, Aug. 24, 2018. Chinese drone manufacturer DJI released its new Mavic drone Friday. [Photo:Xinhua/Xing Guangli]

A visitor takes photos of the newly-released DJI Mavic 2 Pro drone during a launching event in Beijing, capital of China, Aug. 24, 2018. Chinese drone manufacturer DJI released its new Mavic drone Friday. [Photo:Xinhua/Xing Guangli]