Juxtaposition, Any Format

[Rick L]

tracks

[Richard Wasserman]

Last month

[djdister]

North Dakota

[rjbuzzclick]

[Vaughn]

...the act or an instance of placing two or more things side by side often to compare or contrast or to create an interesting effect.

Three examples I pulled from images shown before

For two of them, the question being, is a shadow a 'thing' that can be juxtaposed?
And for the third image, is a human form a 'thing' to contrast with a stone abstract form(s)?

The Yosemite image is questionable. But the form of the absence of light contrasted with the organic form representing the absence of life is a more interesting possibility -- a contrast of absences, rather than opposites.

[tuco]

Halloween by tuco, on Flickr

[Greg Y]

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[jim_jm]

Mimic

[Bernice Loui]

Bernice

[Tin Can]

My Basement 2 are Dead by TIN CAN COLLEGE, on Flickr