Traditional Culture Encyclopedia - Photography and portraiture - How to distinguish the relationship between aerial photography and archaeological sites

How to distinguish the relationship between aerial photography and archaeological sites

1. First of all, the ground visual characteristics of some large sites can only be from top to bottom.

2. Secondly, their outlines can only be seen clearly at a certain inclination angle.

3. Finally, each station will emit infrared spectra with different characteristics from the surrounding environment at night, and these infrared spectra will be photographed by satellite or aerial photography at night.