Common hermit crab (Pagurus bernhardus), in a common whelk shell (Buccinum undatum) in a rockpool, The Gower Peninsula, Wales, United Kingdom, Europe

Dog whelks (Nucella lapillus) and clusters of their eggs attached to a rock exposed at low tide, The Gower Peninsula, Wales, United Kingdom, Europe

Infusion in the sauna

Wooden tub in Finnish sauna

Infusion in the sauna