"It's about the experience of looking rather than touching. I think my favourite image is the image of glass, where he melts the sand so he can see the world outside." - Bono on "Lemon"
did you know
The band considered releasing The Joshua Tree as a double-album that would have included B-sides. Bono was the most vocal proponent of the idea, whereas The Edge argued for the 11-track version that was ultimately released.