The Road Where Cars Roll Uphill | World's Strangest

There is a road in Scotland where bicyclists have to pedal hard to ride downhill... but then coast uphill. Why? | For more World's Strangest, visit http://www.sciencechannel.com/tv-shows/worlds-strangest/#mkcpgn=ytsci1

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Видео The Road Where Cars Roll Uphill | World's Strangest канала Science Channel