THE progress made of late years in topographical surveying by means of aerial photography is strikingly illustrated by a recent report from the Canadian Department of the Interior. The Dominion of ...

A rapidly developing area under construction can be survey quickly and flexibly in almost real time through photogrammetric measurements. With materials surveyed with the help of a drone, planning an ...

Flamingos and pelicans, Third Place Winner, Photographer Of The Year; Pelicans wade through a sea of flamingos. The International Aerial Photographer of the Year has unveiled the winners of its ...