Planes and Trains and Polyhedra

IMAG0109

By , 12/23/2013 @ 11:59 am= | Full size is 516 × 640 pixels

  • Date Taken: 13-Aug-2013 19:32:41
  • Camera: HTC One
  • Focal Length: 3.82mm
  • Aperture: f/2
  • ISO: 135

Executive Director, Museum of Mathematics