A drone is flown over the Suthat Temple in Bangkok, Thailand, Thursday, Jan. 31, 2019. Bangkok's municipal government displayed six drones that will be used to spray water over the city to help ease high levels of pollution. More than 400 schools in Thailand's capital were shut for the rest of the week Wednesday due to increasing concern over dangerously unhealthy air pollution. (AP Photo/Sakchai Lalit)
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