Archaeologists found a huge old platform using satellites and drones in Petra, Jordan. These high quality images helped to pinpointing the shape of the structure.
https://www.weforum.org/agenda/2016/06/archaeologists-just-found-a-huge-structure-in-a-2-000-year-old-city-using-satellites-and-drones?utm_content=buffere1ffc&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer