Nice to see the Mengenlehre clock in Berlin. Coincidentally, directly in the adjacent Europa-Center is also the clock of flowing time, which I found fascinating

Nice to see the Mengenlehre clock in Berlin. Coincidentally, directly in the adjacent Europa-Center is also the clock of flowing time, which I found fascinating as a kid. https://en.wikipedia.org/wiki/Clock_of_Flowing_Time https://en.wikipedia.org/wiki/Clock_of_Flowing_Time