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53.6 MB (2.0 MB compressed)
3750 x 5000 pixels
31.8 x 42.4 cm ⏐ 12.5 x 16.7 in (300dpi)
SEBASTIAN KAULITZKI / SCIENCE PHOTO LIBRARY SEBASTIAN KAULITZKI / SCIENCE PHOTO LIBRARY
Depressor anguli oris muscle, illustration.
Model release not required. Property release not required.