The Singing Sand Dune scenic area is seen in Dunhuang, northwest China's Gansu Province, Sept. 6, 2016. Drones have been in common use in photojournalism in 2016. (Xinhua/Chen Bin)
The Singing Sand Dune scenic area is seen in Dunhuang, northwest China's Gansu Province, Sept. 6, 2016. Drones have been in common use in photojournalism in 2016. (Xinhua/Chen Bin)