95.8 MB (394.0 KB compressed)
7087 x 4724 pixels
59.9 x 39.9 cm ⏐ 23.6 x 15.7 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Square illusion - orientation changes perception of size. The two squares are identical. However, the one on the left appears larger because it has been rotated through 45 degrees.
Model release not required. Property release not required.