What are the uses of air photographs?

What are the uses of air photographs?Photographs of the ground taken by high flying aircraft were used in wartime to obtain information about enemy territory. After World War II, air photography became the chief method of mapping the detail of the land. Because overlapping photographs viewed through a stereoscope produce a three dimensional image, air photographs can also be used to measure the height of points on the land.

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Nitin Gadkari Biography: Early Life, Political Career, Achievements

Nitin Gadkari Biography: Early Life, Political Career, Achievements

Nitin Gadkari is the current Minister for Road Transport & Highway in the Government of …