Why is this a "clever photo"?

Because it's a section of the wall of the European Solidarity Centre in Gdańsk, Poland. The wall is illuminated by harsh light. Not surprising, but... I used a mirror image on the right edge of the photo.

A large wall in a hotel? $1,000,000? :)

Taken with a Canon EOS 30D with a 70-200mm f/2.8 mk II lens. ISO 100, f/5.6, 1/400s. Handheld.