Art car recent years the festival has been forced to limit the number of vehicles on the playa. As such they have restricted the vehicles that are licensed to what they are now calling "mutant vehicles". There has been some confusion within the Burning Man and Art Car communities over these two terms, with some believing the terms are simply synonyms. According to art car artist and Art Car Fest organizer Philo Northrup, art cars are "street-legal vehicles that have been permanently transformed into mobile sculptures". According to the Burning Man DMV ("Department of Mutant Vehicles"), Mutant Vehicles are "'art on wheels':
Within the Rock entry in the endless string of ALIEN (1979) knockoffs contains little to set itself apart." Within the Rock Within the Rock is a 1996 American made-for-TV science fiction horror film directed by Gary J. Tunnicliffe. It starred Xander Berkeley, Brian Krause, and Duane Whitaker. It featured a cameo from former U.S. Marine Corps captain and technical advisor Dale Dye. The film was released on DVD by Image Entertainment on August 17, 1999. It was later released by Mill Creek Entertainment on May 10, 2011 as a part of a triple-feature with "Phantom of the Opera" (2004), and "The Fear 2".