Inside Thailand's Wildest Markets

At Bangkok's Maeklong Railway Market, vendors pack up their stalls eight times a day so a train can pass through, then rebuild within minutes; an hour away, the Amphawa floating market has served food from boats for centuries. The two markets make an odd but fitting pair, one shaped by a train line and the other by a canal.

Why it's free: Free on Great Big Story's own channel; GBS produced and posted it there itself.