North Devon was visited by a 100ft tall Poseidon on Friday to highlight the effects of plastic pollution.
Wales-based Marc Treanor completed the sand etching on Saunton Sands, commissioned by the European Environmental Bureau and backed by Friends of the Earth.
Marc’s work was visible for several hours before the tide came in and carried Poseidon back to the ocean.
He said: “I was happy to be asked to be part of this project as the subject of plastic pollution awareness seems now to have reached a critical point.
“I wanted to somehow express an anger with what plastic pollution has done to the oceans, so the image of a raging Neptune hurling a plastic bottle back at us seemed apt.”
The work was one of six appearing on beaches across Europe in the run-up to Earth Day on April 22.
The theme of Earth Day this year is to end plastic pollution.