Dead Mens Fingers (Alcyonium digitatum), clump of yellow/orange dead men's fingers with polyps retracted, St Abbs, Scotland, UK North Sea
Tiger Cowrie (Cyprae tigris), shell with mantle retracted, Rurutu, French Polynesia Underwater.
Lion's mane jellyfish (Cyanea capillata) with tentacles retracted showing it's huge flowing underside, underneath sunlight penetrating the water in Inverclyde, Scotland.
Lesser Valley Coral (Favia), detail with retracted polyps, Red Sea, Aqaba, Kingdom of Jordan
Malakowturm Tower with retracted pit frame, unrenovated, former Prosper II pit, Prosper-Haniel, Bottrop, Ruhr area, North Rhine-Westphalia, Germany, Europe
