45aab3901e65b64be4e3952e613dd927

45aab3901e65b64be4e3952e613dd927
Striations carved into a bedrock by ice erosion as a glacier receded, Isua Greenstone Belt, Greenland

size: 750560
sha1: 98178af5820d01539ea8610b6db3387de7640e80
sha256: 822e81bd5224dc5bd45cb57e42fc50f1422cb6d40bbdd5e374ae92c0aac7c144

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