Samut Songkhram, a small town south of Bangkok, has one of the most interesting fresh markets in the country. As illustrated above, a significant part of the market is located directly on the city's railroad tracks. When the train runs through, as it does several times each day, everybody picks up and moves to allow it to pass, then immediately gets back down to important task of vending. The aesthetics of the situation, not to mention the excellent food, led to some interesting images, some of which can be seen here.
Update: Reader cranrob sent a link to a hilarious YouTube video (not mine) of the train running through the market: