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.
2010
1915
1985
2025
1950
2009
2015
2002
1959
2017
2023
2018
2003
1991
1956
2020
2001
1967