When I look at these pictures of tens of thousands of Nazis standing at attention while Hitler delivers a speech, I always wonder one thing. How do they take a piss? With this many people standing around, there have got to be a certain percentage who really need to urinate, right? Maybe 5%, maybe only 3%, but the need is going to be there as the hours pass (Hitler gave long speeches). What do they do, piss into their own boot? They can't leave the square, and anyway they are blocked in by all the other people. They must have just held it. Damn, those German's had will power.