The most spectacular aerobatic flying series in the world, the "Red Bull Air Race World Series", is experiencing its fourth season in 2008 – and also a string of refreshing innovations. The first few secrets were revealed during recent weeks; This year, for the first time, a Red Bull Air Race will be held in the infamously industrial city of Detroit – and for the second time since 2005, Rotterdam, Netherlands, is back on the racing calendar. (Source: http://www.redbullusa.com/en/ArticlePage.1188353977952-34905)