Alcatraz Island 6, 2008, the Alcatraz Island Global Peace Center Proposition C failed to pass, with 72% of voters rejecting the proposition. The coastal environment of the San Francisco Bay Area has caused deterioration and corrosion of building materials throughout Alcatraz. Beginning in 2011, the National Park Service began major renovations on the island, including the installation of solar panels on the cell house roof, slope stabilization near the Warden's House and the stabilization and rehabilitation of the outer cell house walls. Recently, Alcatraz has been home to several art installations. The Chinese artist/dissident Ai Weiwei staged an exhibition which explored "questions
Alcatraz Island "Tony Hawk's Pro Skater 4" as a playable level, and in the video game "" in a downloadable zombie survival map called "Mob of the Dead". It is also featured as a playable racetrack in the 1996 arcade racing video game "". Alcatraz has also been portrayed often as a safe haven or base of operations in many post-apocalyptic movies, such as "The Book of Eli". Alcatraz even appears in "The Alchemyst" and "The Sorceress" by author "Michael Scott" and is depicted as a prison for the immortal "Perenelle Flamel". Alcatraz is featured in the episode "Bird Mummy of Alcatraz"