Penrose tile floors

Image (6) chemistry-building-university-of-western-australia.jpg for post 83496

By , 01/21/2011 @ 12:30 pm= | Full size is 600 × 450 pixels

  • Date Taken: 10-Jan-2007 08:42:59
  • Camera: DSC-W30
  • Focal Length: 6.3mm
  • Aperture: f/2.8
  • ISO: 160