Aerial photograph above Lake Clifton in Western Australia, showing a reef of thrombolites.

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Aerial photograph above the shore and boardwalk of Lake Clifton in Western Australia, showing a reef of thrombolites. Thrombolites look like rocks but are ancient forms of microbial communities that photosynthesize (produce energy from sunlight). They obtain calcium carbonate from the water to form these structures which are about 2000 years old.

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Size: 3040px × 4056px
Location: Lake Clifton, Mandurah, Western Australia, Australia
Photo credit: © Stefan Irvine / Alamy / Afripics
License: Licensed
Model Released: No

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