BASE (Buildings, Antennas, Spans and Earth) jumpers parachute from Malaysia's landmark Petronas Twin Towers, in Kuala Lumpur January 5, 2004. Jumpers from Asia, Europe and the United States jumped off the Twin Tower's 73rd floor and did a freefall for four to five seconds before opening their single parachute and landing on a targeted 25-foot radius. REUTERS/Zainal Abd Halim