Day 146 | May 26 2007 | Which planet is that?

Can you recognise that planet? Well.. I cant either, cos its not one! Its a 15+ (15 times) magnified surface of a compound wall, open to the elements. Everything that is not white is either some sort of algae growth, dried/dead or otherwise. The black ring surrounding, is the inner metal ring of the magnification filters stacked together.