Mushroom train. TU7A narrow gauge diesel locomotive with passenger train arrived at Boevo station in the vicinity of Kirovo-Chepetsk city. "Karinskaya railway" is a unique narrow gauge railway 750 mm (2 ft 5 1/2 in) with passenger service in Russia as a part of the urban transport system. In early autumn, the local forests are rich in edible mushrooms. On weekends, this train is stuffed by mushroom and berrie pickers.