> that's the classic traintoilet design across the world. I can confirm it's the same in the ex-USSR countries. That's why the lock the lavatory 10 minutes bef

> that's the classic traintoilet design across the world. I can confirm it's the same in the ex-USSR countries. That's why the lock the lavatory 10 minutes before arriving at a station and don't unlock it until the train is well clear of the town.