Rapper Ilyich Sato, known as Equipto, smokes outside of The Cannibis Company during a 4:20 block party in San Francisco, Monday, April 20, 2009. Afternoon smoke breaks took on added meaning Monday as pot advocates observed what has become their unofficial national holiday.
An unidentified man wears a mask with a pipe connected to it on Hippie Hill in Golden Gate Park in San Francisco, Monday, April 20, 2009. According to Steven Hager, creative director of High Times magazine, the term "4/20" originated in Northern California in 1971. A group of friends heard about an abandoned marijuana patch and began meeting at 4:20 p.m. to go foraging. The patch proved elusive; the term stuck.
Gabriel Cruz, 20, exhales smoke on Hippie Hill in Golden Gate Park in San Francisco, Monday, April 20, 2009. Afternoon smoke breaks took on added meaning Monday as pot advocates observed what has become their unofficial national holiday.
A large crowd cheers as the time reaches 4:20 p.m. on Hippie Hill in Golden Gate Park in San Francisco, Monday, April 20, 2009. According to Steven Hager, creative director of High Times magazine, the term "4/20" originated in Northern California in 1971. A group of friends heard about an abandoned marijuana patch and began meeting at 4:20 p.m. to go foraging. The patch proved elusive; the term stuck.
A cloud of smoke rises above University of California, Santa Cruz, students and non-students as they gather on the school's campus on Monday, April 20, 2009, to celebrate "4/20." Marijuana smokers gather each April 20 to smoke pot at 4:20 p.m.
A man who identified himself as a University of California, Berkeley, student named "Skittles," exhales a puff of marijuana smoke in front of Steve Coth of Pleasanton, Calif., on the University of California, Santa Cruz campus Monday, April 20, 2009 in Santa Cruz, Calif. during a celebration of "4/20," in which marijuana smokers light up each April 20 at 4:20 p.m.