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"Extreme rock crawlers have more ability to defeat the most rugged terrain than any other four-wheel drive vehicle.  These off-road beasts have been put to the test by crawling over boulders, up mountains and scaling sheer rock cliffs. These vehicles were transformed by adding specialty hardware such as shocks, suspension, axles, and drive-lines to make them the extreme rock crawlers that they are. It&amp;#039;s not just a hobby, it&amp;#039;s a sport."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.trendhunter.com/trends/extreme-rock-crawlers>