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Title: Moving Rocks on Racetrack Playa
Caption: Rocks and trails at the Racetrack, a playa (dry lake bed). Death Valley National Park, California. Rocks driven by wind and ice scrape tracks in the dry mud.
Category: Geology & Fossils
Credit: Album / Science Source / John Shaw
Image size: 5953 × 3969 px | 67.6 MB
Print size: 50.4 × 33.6 cm | 2343.7 × 1562.6 in (300 dpi)