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polytropos' photos with the keyword: Moving Rocks
moving rocks
| 31 Oct 2019 |
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Death Valley, CA – "sailing stones" on Racetrack Playa.
Scan from a hard copy. ► For Xata
The "sailing rocks" are a geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without human or animal intervention.
► Wikipedia
► Nature | how it works. (27.08.2014)
► Spektrum.de | Wie es funktioniert. (28.08.2014)
► On YouTube
► 3sat Doku "Death Valley"
(36.6726, -117.5674) – OpenTopoMap
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