see here
https://www.evernote.com/shard/s690/sh/5935d8e0-5349-45f7-9a1e-077c1a1bed09/bfa3710bef9be29475f5d2e1e12adc9e
Photography drones permit individuals to catch images that formerly could just be extracted from helicopters or airplanes. An increasing number of photographers are buying drones and attempting their hand at airborne