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Margot Cockrell of Boulder spreads smiles with her bubbles in the slight rain with over an hour to go to the countdown at Denver 4/20 Rally at Civic Center Park on April 20, 2017, Denver.

Chris Stokes, left, and Angel Zickefoose smoke marijuana during the 4/20 event at Civic Center Park on April 20, 2017 in Denver.

Dustin Creasy, of Denver, takes a hit during the 4/20 event at Civic Center Park on April 20, 2017 in Denver.

A light rain starts to fall at the Denver 4/20 Rally at Civic Center Park on April 20, 2017, Denver.

Alexus Alcala, 20, of Denver smiles while smoking after the 4/20 countdown in the rain at the Denver 4/20 Rally at Civic Center Park on April 20, 2017, Denver.

"Chango" spins balls while waiting for the 420 countdown at the Denver 4/20 Rally at Civic Center Park in April 20, 2017, Denver.

Jimmy Smrz sits quietly during a minute of silence at exactly 4:20pm in the sanctuary of the new International Church of Cannabis as he joins other guests for the 4/20 celebration services at the church on April 20, 2017 in Denver. The unique church chose the popular day and event to open their doors to the public. The members of this new church call themselves Elevationists and say that the use of cannabis helps elevate people to a higher form of themselves.

Andrea Camp, left, of Chicago, hugs Kimm Miller, right, from Lakewood, as she smokes from a pipe as the two participate in 4/20 celebration services at the International Church of Cannabis on April 20, 2017 in Denver. The unique church used the popular event to open their doors to the public. The members of this new church call themselves Elevationists and say that the use of cannabis helps elevate people to a higher form of themselves.

Holly Jury, left and her husband Matt enjoy the lounge area at the International Church of Cannabis before joining in 4/20 celebrations services at the church on April 20, 2017 in Denver.The unique church used the popular event to open their doors to the public. The members of this new church call themselves Elevationists and say that the use of cannabis helps elevate people to a higher form of themselves.

Cannabis church-goers shake hands to meet one another after 4:20 pm in the sanctuary of the new International Church of Cannabis during 4/20 celebration services at the church on April 20, 2017, in Denver. The unique church chose the popular day and event to open their doors to the public. The members of this new church call themselves Elevationists and say that the use of cannabis helps elevate people to a higher form of themselves.

4/20 People gather to celebrate during the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

People go through security at the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Nina Thomas, 19, kisses Tasha Taylor, 19, both of Denver, before lighting a joint in the rain at the Denver 4/20 Rally at Civic Center Park on April 20, 2017, in Denver.

Glassware smoking products from the Highlander company out of Fort Collins for sale at Denver's 4/20 rally at Civic Center Park April 20, 2017 in Denver.

A woman dances in the rain after lighting up at the Denver 4/20 Rally at Civic Center Park in downtown Denver on April 20, 2017, in Denver.

Festival goer, Denver native Paulette Cordova, fires up a joint at Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Abigail Sweeney, from Colorado Springs, dances with a hula hoop during the 4/20 marijuana holiday at Civic Center Park on April 20, 2017 in Denver.

Tango Crenshaw attends the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Spencer Ward celebrates during the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Top-Flight Empire performs despite the rain at the annual Denver 4/20 rally at Civic Center Park in Denver April 20, 2017.

Owner of Rasta Culture Gift Shop Elliott Awatt organizes his table at Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Paul, who did on want to give a last name, loads his pipe during the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Native Americans dance during the annual Denver 4/20 rally at Civic Center Park in Denver April 20, 2017.

Festival goer Sherman Doyle shows of his extensive back tattoo at Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

鈥淐arly鈥� the chihuahua sports festive hat and vest at Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Marijuana themed clothing is popular during the 4/20 event at Civic Center Park on April 20, 2017 in Denver.

Adam Solto, of La Veta, takes a hit as he relaxes in the sun during the 4/20 event at Civic Center Park on April 20, 2017 in Denver.

Pineapple Choppo, on vacation form Mississippi, joins others at the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Samantha Salazar sets up a booth for her company, Lunar Landings, during the 4/20 marijuana event at Civic Center Park on April 20, 2017 in Denver.

Michael Oliver, aka Cadillac, attends the 4/20 marijuana event at Civic Center Park on April 20, 2017, in Denver.

Rachel Himes, left, gets wanded by a security official at the entrance to Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Festival goers wait in a long line to get into Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Denver's 420 rally at Civic Center Park April 20, 2017 in Denver.

Festival goers dance at Civic Center Park during the annual 420 rally April 20, 2017 in Denver.