Well, and the 'X-rays' [X-Ray, 1991, black and white photograph]... I was just interested in seeing what it looks like inside my head – and the idea that they could just examine the inside of my head like a globe. And then I photographed the facades in New York. [at the end of the 19-nineties]... I did the books at the end of the nineties, and I did the facades shortly after that.

'Isa Genzken in conversation with Wolfgang Tillmans' (2003)