The longest known exposure photograph

[Tin Can]

Pinhole and LF (https://www.zmescience.com/other/art-other/longest-known-exposure-photography-19022021/)


The longest known exposure photograph ever was captured using a beer can

[Richard Wasserman]

While you're waiting for your film you can listen the the longest piece of music—

https://www.washingtonpost.com/blogs/arts-post/post/worlds-longest-concert-will-last-639-years/2011/11/21/gIQAWrdXiN_blog.html