Planes and Trains and Polyhedra

IMAG0218

By , 12/23/2013 @ 4:07 pm= | Full size is 580 × 640 pixels

  • Date Taken: 16-Dec-2013 13:26:09
  • Camera: HTC One
  • Focal Length: 3.82mm
  • Aperture: f/2
  • ISO: 131

Executive Director, Museum of Mathematics