The Bell Tower has been in the center of Xi’an for centuries, witnessing many changes in modes of transportation. On my first visit (1985), private cares were very rare in China–not so anymore! When I lived here (2002-05), everyone peddled a bike; these have been replaced by mopeds. The newest trend is “rental bikes” (foreground) which can be unlocked using WeChat Pay (social media), and then left anywhere, once the renter is finished with them.

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