i am unsure if this is the sequel to the rock scape..
looks very identical...
view the video for surround of landscape.
http://glassbox-design.com/2009/thors-bonsai-inspired-sps-reef-tank-revisited/
is the right hand corner floating or in the sand ???
this scape makes e tank rather bare... better for those tank placed at standing eye view..
alot of underspace wasted...
check out john ciotti upside down reef..
one of the more uncommon type.. else u can just common cave / valley / mountain
u can hide your pvc pipes by sticking small rock to it..
do not neglect the ratio of water to rock..