![](http://www.alamy.com/thumbs/6/C0812615-5789-4A4A-B560-571008516674/MFKW0P.jpg)
View of the forty meters high cliff and its basalt lava columns of hexagonal pattern, at Swan Rocks, Narrabri, New South Wales.
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Photo credit: © downunder / Alamy / Afripics
License: Royalty Free
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Keywords: 2018, basalt, cliff, columnar, columns, cooling, crack, face, flow, forty, fracture, hexagonal, high, lava, meters, metre, narrabri, nsw, pattern, rocks, shape, shrinkage, south, swan, visible, volcano, wales