https://i.ytimg.com/vi/wyCEGirxYag/hqdefault.jpg An observation of the western US mountains from about 35000 ft in 830nm Infrared on June 21, 2019, the…
https://i.ytimg.com/vi/NXqb9Qykq3k/hqdefault.jpg Photogrammetry based on infrared aerial imagery reveals the stunning flatness of the earth ! Infrared images were taken in…
