Photo: Hula-hoopin’ in downtown AspenNews | April 21, 2015 Nicole Bramson of Aspen, background, and Lauren Tripp of Snowmass practice with their new Hula Hoops on East Cooper Avenue, shortly before 4:20 p.m. on April 20. The friends were celebrating the unofficial national marijuana holiday with their friends. "Happy 4/20," Bramson said. "It's just a happy day."Lauren Glendenning/The Aspen Times | Start a dialogue, stay on topic and be civil. If you don't follow the rules, your comment may be deleted.