This is a very poor image that I extracted from some old 8mm movie film that I have of ice sailing across a section of Lake Marburg back around 1970. There were also a lot of people ice skating on that date. I'm considering posting this very short film here but because of the pirating of a few of my other images, I've been reluctant.

Watch an old movie (1970) taken at that time .....




https://www.youtube.com/watch?v=nUXupz-8YTQ