The Beer Exchange in Qingdao, China works like a stock market: the more people buy a certain beer, the higher its price goes. On the other hand, beers that aren't being purchased will gradually drop in price.

The Beer Exchange in Qingdao, China works like a stock market: the more people buy a certain beer, the higher its price goes. On the other hand, beers that aren't being purchased will gradually drop in price.

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