The zero-frame is a frame on a film roll that is not meant to be used as part of that frame is usually exposed to light. This film is composed of zero-frames, taken over the course of 3 years.
1902
1976
1959
1953
2006
2014
2012
2009
1993
2019
1895
2024
1966
1958
1985
2008
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2021