Intake pipe
Fig. 21: The intake pipe from the pumping station in Rüschlikon leads down to a depth of 40 metres. Dive 661: Dive site Rüschlikon pumping station, Lake Zurich. Nikon D200; Δt=1/91 s; f=10.5 mm; f/4.0; ISO 100; 14 June 2019 09:59:46