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.
1980
2001
1988
1931
2013
2015
2012
2002
1997
1989
2016
2023
1911
2010
2020
2018
2025
1986