Firefighting drones evolve to extinguish fires and move patients stocking 0 40 2021.09.25 18:31 https://youtu.be/sA4TW1UEW7o + 10 소방 드론, 환자 옮기고 직접 불 끄는 장비로 진화 중 The day when drone fleets extinguish fires or help move patients from disaster zones might not be that far ...