Watch this: You ain't gonna believe it. Even if you've seen it before.

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A Stunt Cyclist’s Tour de Fence

NYTimes reports here that Danny MacAskill, a stunt bicyclist can divide his life into two parts --  before his YouTube video came out and after it came out.

Remember, I told you so:  You still can't quite believe it.
This video was filmed over the period of a several months in and around Edinburgh by Dave Sowerby, a videographer who has earned my admiration for his work and deserves great credit for the level of quality he has achieved.