Daytime coffee raves help keep the party going – without the hangover

They're just like regular nighttime raves except totally different: they happen when other humans are having breakfast, and the drink in hand is hot. Sunshine, caffeine, afro-house music and people dancing as the day begins. It's fun and healthy, and the waiting list to get in now exceeds a thousand people. The World's Gerry Hadden reports from a coffee rave in Barcelona.