Barnacles growing on the hull of the shipwreck of the HMAS Protector a large flat-iron gunboat trapped on a coral reef. Wreck Beach, Heron Island, Great Barrier Reef, Queensland, Australia.

Barnacles growing on the hull of the shipwreck of the HMAS Protector a large flat-iron gunboat trapped on a coral reef. Wreck Beach, Heron Island, Great Barrier Reef, Queensland, Australia.
