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Urban Explorers: Taking Roads Untraveled

From atop skyscrapers to the depths of sewers, professional trespassers sightsee differently.
04:52 | 06/14/2013

Transcript for Urban Explorers: Taking Roads Untraveled

This -- of a no trespassing sign makes you turn the other direction -- probably like most people wary of venturing where you're not welcome. The first on the thrill of being where they're not allowed... See More
This transcript has been automatically generated and may not be 100% accurate.
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