You're walking along the street.You need to go to the washroom desss..perately.What do you do?If you can't control yourself,you could be embarrassed to no end.Don't worry.Someone in San Francisco has invented a self-cleaning public toilet.The toilet cleans itself.The seat goes back into the wall where it is washed and blow-dried.Even the floors are washed automatically.you must be quick,though.You've only got 20 minute to "do you business."Then,there's a 2-minute waring before the door opens.When it does,you'd better be ready or youface will be red
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