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83.0 MB (633.4 KB compressed)
6142 x 4724 pixels
52.1 x 39.9 cm ⏐ 20.5 x 15.7 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Jastrow illusion. The bottom shape appears to be larger than the top shape. They are actually identical.
Model release not required. Property release not required.