"picture" of an area on the Earth's surface (plus clouds, often). It can be either on print or on transparency. A film camera is set up on a free-flying platform (airplane, helicopter or balloon). It shoots the picture some of which are from a preplanned distance above the surface. Two types depend on the angle of view relative to the surface. The first, oblique photography, snaps images from an angle, low to high relative to vertical.
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