It gets even better. Apparently, these K9s know that the first and last carriages are the quietest, so they hop on and take a nap, and the dogs work together to time the ride home so they know when to get off. According to Dr, Andrei Poiarkov, of the Moscow Ecology and Evolution Institute, they've even learned to use traffic lights to cross the road and to scare people into dropping their shawarma. Now that's just dirty.
[Source: English Russia]