The clever canines board the Tube each morning. After a hard day scavenging and begging on the streets, they hop back on the train and return to the suburbs where they spend the night. Experts studying the dogs say they even work together to make sure they get off at the right stop - after learning to judge the length of time they need to spend on the train. The mutts choose the quietest carriages at the front and back of the train. They have also developed tactics to hustle humans into giving them more food on the streets of Moscow. 

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