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.
2002
1929
1983
1933
2018
2019
2013
2017
1990
1993
1996
1999
2015
1928
1924
1926
2005
2014