"It was just an incredible playpen -- especially for Bono. It was so inspiring a place to be. No one had ever gone there in terms of live performance."
- The Edge, 2002, on the ZOO TV Tour
did you know
The song Heartland is about a trip Bono and Adam made after the Joshua Tree tour through America by car, they passed many placed and states and Heartland contains phrases of Bono's journey of that trip.