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(ii) Photogram A different method of using shadows is shown in Figure
557. This is a unique field to express two-dimensional shapes using lights
and their shadows. In the case of commercial photographs, efforts are being
made to avoid the appearance of shadows by surrounding an object with lights.
This way, shadows are sometimes disturbing, but on the contrary, are useful
in other cases. Photogram is an art to compose using shadows of objects
without using a camera. The difference from usual shadows is that an object
provides an area by disturbing lights. In other words, the part of the
"shadow" becomes white.
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