Why did I just drag on for so long to take a shower and eat and stand and walk in the kitchen and to

Here's how I do it: put a handful of toilet paper next to the toilet. There will be no urine dripping and feces falling out of the house.

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The problem you mentioned is very real, because it is a high speed, so when flushing the toilet, the feces fall on the tracks in the form of scattered fragments, because the human excrement is degradable, and the railway line is long, so it is not full of feces. That's why the toilets are closed before the train arrives. In the same way, the plane is lined up in a straight line, and sometimes it falls in the form of ice cubes.

The speed of the trainYou can imagine how far a piece of manure will be thrown out by the speed inertia of the train? Can you still see a piece of feces at such a distance? Of course, this is also the reason why you are not allowed to go to the toilet during parking time.

When it rains, microorganisms will decompose, and of course, there will be a special cleaning car to clean the railway, so you don't have to worry about the train becoming a big dung car.