The map shown above is an example of a black and white emulsion photo. These photos are a type of aerial photograph and can be used in cartography. They are coated in black and white light sensitive emulsions. This makes them sensitive to the same light wavelengths that the human eye. The image above was taken above a city, and one can make out the three-dimensional features and use it as a map. It shows the landscape as well as the building elevations.
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