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Three Sisters rock formations in the Blue Mountains of Australia. The Three Sisters are believed to be formed by land erosion #303995956
Description
Three Sisters rock formations in the Blue Mountains of Australia. The Three Sisters are believed to be formed by land erosion around 200 million years ago during the Triassic period. Their names are Meehni (922 m), Wimlah (918 m), and Gunnedoo (906 m