Fig. 4: Any kind of floating device is useful. It's a fun and not a sports event. Although the event is called "Reuss Swimming" it's more "Reuss Drifting". 30th Reuss Swimming from Lucerne to Sins. — EXIF: Caplio GX8; Δt=1/134 s; f=5.8 mm; f/2.5; ISO 64; 2009-06-13 9:24:27
