A Rocky Beach near Portland Bill 12 – A gully full of pebbles in a limestone outcrop on the seashore. Green Gutweed type seaweed covers the seaward part of the rock. The limestone up-shore of the gully has a network pattern of furrows or cracks that could have been made or enlarged by marine worm activity or boring sponges. Isle of Portland, Dorset, United Kingdom.
Jessica's Nature Blog 