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.
1958
1985
1974
2014
2013
1972
2017
2019
2016
2023
2011
2021
2002
1983
1896
2001
1962
1929