What would happen if everyone on Earth flushed at the same time? And how does toilet flushing work, by the way? When you flush your toilet, you don’t even give a second thought to what happens to sewage water in the pipe work: how fast it travels, or where it goes. But if you ever do, then you should hope there will never come a day when everyone in the world flushes at the exact same moment.
Source: Youtube
