In under three hours, China’s bullet trains whisk travelers back 1,200 years in time

Visiting Shanghai is an exhilarating experience. This financial hub of 25 million was seemingly made for skyscraper-ogling, fashion-finding and dumpling-sampling. Its metro system is clean and efficient, making zipping around town — or to the next city — incredibly easy. But at some point, urban fatigue kicks in, a sign it’s time to disappear into the misty mountains so often captured