So I did it in the good old Diver style.

UW-map 1 by L-space, on Flickr
All foreign objects have been placed at their relative position. The steps make it deeper by 1 meter at a time.
It represents part of the Nionplas or de Zandput near Raamsdonksveer, NLD.
Edited by L-space, 21 October 2012 - 06:58 PM.
















