We thought clouds like this only appeared in the Cheech & Chong movies
Colorado was one of the states that legalised marijuana recently, and as you might expect, they had quite a celebration on April 20th (or 4/20, as it's become known), a counter culture holiday for cannabis culture enthusiasts.
They marked the occasion this year with a civic rally in Denver, and judging by this picture, either someone was having a massive barbecue, or, well... you fill in the blanks.
