Korbsauna.
Beach chair and sauna in once.
It works!

Crew Timmendorfer Strand:
staring – Roderick and Seneca
assistance – Matthias
everything else – Thomas and Torsten  
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Crew Arosa Travemünde:
staring – Andrea and Urte
assistance – Matthias
everything else – Thomas and Torsten

Crew Hansemuseum Lübeck:
staring – Aviv, Hans and Jasper
assistance – Matthias
everything else – Thomas and Torsten
Special thanks to Kurt  

Warmest – in this case: hot – thanks to everyone!