In urban places, unmanned flight has a tremendous protection advantage in excess of manned flight. Because drones are much smaller than helicopters, they're able to far more quickly and safely and securely negotiate about obstacles including structures, trees, and electricity strains. Even when a drone crashes, the injury it https://uavdatacollectionbanglade99876.webbuzzfeed.com/29955581/little-known-facts-about-drone-mapping-bangladesh