February 8, 2010 6:54 am High Energy ‘Zumba' Workout Gains Popularity zumba danced its way to the states in 2001 and then ignited. An estimated five million people, worldwide, take classes every week. US & World Videos 0:54 Nude cruise sailing out of Miami in 2025 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:01 Woman arrested on human trafficking and prostitution charges in Miami-Dade in court 1:45 NYPD enters Columbia University in riot gear to clear protest