Photos: Denver 420 Pot Rally

DENVER, CO. - APRIL 20TH: Thousands gather in Civic Center Park and light up for "420" day Saturday afternoon, April 20th, 2013. (Photo By Andy Cross/The Denver Post)

DENVER, CO. - APRIL 20 : A crowd of marijuana smokers celebrate the counterculture holiday known as 4/20 on the first celebration since Colorado and Washington made pot legal for recreation use. (Photo By Hyoung Chang/The Denver Post)

DENVER, CO. - APRIL 20 : Todd Jacko of Denver, front, and a crowd of marijuana smokers gathered at the park to mark the counterculture holiday known as 4/20 on the first celebration since Colorado and Washington made pot legal for recreation use. (Photo By Hyoung Chang/The Denver Post)

DENVER, CO. - APRIL 20 : Triana Rice is body painted by artist Sophia Rose for the celebration of 4/20 at Civic Center Park in Denver. A crowd of marijuana smokers gathered at the park to mark the counterculture holiday known as 4/20 on the first celebration since Colorado and Washington made pot legal for recreation use. (Photo By Hyoung Chang/The Denver Post)

DENVER, CO. - APRIL 20 : Joby Weeks of Denver celebrates 4/20 at Civic Center Park in Denver. A crowd of marijuana smokers gathered at the park to mark the counterculture holiday known as 4/20 on the first celebration since Colorado and Washington made pot legal for recreation use. (Photo By Hyoung Chang/The Denver Post)

Gearing up for the 420 Rally at Denver's Civic Center Park. (Joe Amon/The Denver Post)