![](http://www.alamy.com/thumbs/6/FCEA3135-70D3-49C9-9312-13FAAD966C87/BBCPA4.jpg)
Beach rock with orange algae streak
water worn beach rock with orange algae steak caused by water run-off.
Size: 5128px × 3433px
Location: Pembrokeshire coast, Wales,
Photo credit: © jason chalk / Alamy / Afripics
License: Royalty Free
Model Released: No
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