Fig. 13: Aerial view on the narrow Lake Wichel with the river Sarner Aa, which flows into Lake Alpnach (a part of Lake Lucerne). The prominent mountain is Mount Stanserhorn. The village in the lower left corner is Kägiswil. — EXIF: Nikon D200; Δt=1/500 s; f=24 mm; f/5.6; ISO 400; 2008-05-14 13:43:04
