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Title: Stromatolites in Shark Bay, Australia
Caption: Stromatolites (living fossils) at Hamelin Pool Marine Nature Reserve in the Shark Bay World Heritage Site of Western Australia. Stromatolites are the oldest living organisms on the planet. They have survived because of their ability to inhabit hyper-saline waters.
Credit: Album / Science Source / William D. Bachman
Image size: 4000 × 1767 px | 20.2 MB
Print size: 33.9 × 15.0 cm | 1574.8 × 695.7 in (300 dpi)