Local News 4/20 Festival April 20, 2018 / 3:19 PM MDT / CBS News Payton Wheeler exhales marijuana smoke during 4/20 festivities at Denver's Civic Center Park on Friday, April 20, 2018. (Photo by AAron Ontiveroz/The Denver Post via Getty Images) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park 2018 (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) 4/20 Festival in Civic Center Park (credit: CBS) Couple At 4/20 Festival in Civic Center Park 2018 (credit: CBS)