Drone pilots fly a water-spraying drone over the Suthat Temple in Bangkok, Thailand, Thursday, Jan. 31, 2019. Drone pilots prepare to launch a water-spraying drone before flying over the Suthat Temple in Bangkok, Thailand, Thursday, January 31, 2019. A fleet of drones, trucks and small planes are spraying water to try to reduce dust around Bangkok while the governor invited critics to brainstorm better ideas to improve the air quality in the Thai capital. (Photo by Sakchai Lalit/AP Photo)
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