Fig. 30: The shallow water at the upstream end of the pool at Lavertezzo. The shallower the water, the stronger the current gets. — Nikon D200, Nikkor DX 10.5mm Fisheye, Verzasca, Lavertezzo, 20. August 2009 — EXIF: Nikon D200; Δt=1/180 s; f=10.5 mm; f/7.1; ISO 200; 2009-08-20 10:55:22
