Seemingly spontaneous aerobics astounded lunch-goers across Colorado on Wednesday, September 30, when flash mobs broke out at 12:10 p.m. on the streets of Denver, Greeley and Grand Junction. More than 100 flash mobbers exercised their enthusiasm for healthy eating and active living in each city when they suddenly disrobed to display retro, 1980’s-inspired workout gear and performed a coordinated aerobics routine. LiveWell Colorado (), a non-profit organization committed to reducing obesity by inspiring healthy eating and active living, coordinated the flash mobs to ignite enthusiasm for the launch of its statewide “Challenge,” campaign which encourages Coloradoans to challenge each other and their communities to live well.