Timothy De Smet flies a Ukrainian Multirotor Technologies (UMT) Cicada-M drone with a magnetometer to...
Timothy De Smet flies a Ukrainian Multirotor Technologies (UMT) Cicada-M drone with a magnetometer to detect abandoned oil wells in Olean, New York, U.S., February 26, 2020. Picture taken February 26, 2020. REUTERS/Lindsay DeDario