in the heart of the South Tyrolean Mountains and Dolomites
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A pair of human eyes sees an object from different angles and each eye generates a separate image
These two different images are then combined in the brain to give the perception of depth. This principle was put to use in the process known as “stereo photography”. Two images taken from different angles were printed side by side and viewed through a stereoscope (with two separate viewing holes). This produced a three-dimensional view of an otherwise flat photograph. In this regard, stereo photography is a precursor of today’s 3D technology.