MashGet

BARCELONA, June 30 (Reuters) - U2 kicked off their firsttour in three years on Tuesday, rocking a raucous Barcelonacrowd of around 90,000 and reaching for the stars with a livelink-up to the International Space Station.

Featuring one of the biggest concert stages ever built, theU2 360 Tour will visit 31 cities across Europe and North Americaand entertain an estimated three million people. More dates areexpected to be announced in 2010.