SMOKERS CELEBRATE DURING THE 420 RALLY

DENVER, CO - April 18: A man blows out marijuana smoke while listening to Too Short perform on Saturday, April 18, 2015 at Civic Center Park in Denver, Colorado. The annual 420 Rally once again brought over a thousand smokers and music lovers to the park to celebrate the "holiday" which this year spans over the weekend. Musical acts this year included Too Short and Devin The Dude. (Photo By Brent Lewis/The Denver Post via Getty Images)