Pole
Fig. 3: Hmmmmmmmm ... interesting ... Flex is studyng a wood pole covered with shells. — Nikon D200 Nikkor AF-S DX 12-24mm, Hugyfot housing, Peninsula Au, Lake Zurich, 3 June 2007 Nikon D200; Δt=1/125 s; f=12 mm; f/5.6; ISO 400; 3 June 2006 11:15:51