"There's this image of the 'overground'. It was a time when everyone was all indie and grey and dull—the 'underground'. The overground was like coming out into the bright light of a modern city. It's an amazing place to be, walking around these modern cities like Houston or Tokyo. And the idea was coming out into that, embracing it, going after it."
- Bono about Zooropa
In 2011, Guus van Hove, the director of the Dutch music venue 013, and his girlfriend died of heat exhaustion in a remote part of the Joshua Tree National Park, allegedly searching for the site of U2's tree, which is fact is over 200 miles away from the park.