So after building my tank this just puts it to shame. Definitely a nice DIY project on a large scale!
http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=lake+berryessa,+ca&sll=37.0625,-95.677068&sspn=58.946508,87.978516&ie=UTF8&hq=&hnear=Lake+Berryessa&t=h&layer=c&cbll=38.512062,-122.105019&panoid=MbJvLOWcHltvJ-HT28_85w&cbp=12,157.764266,,0,0&photoid=po-11414360&ll=38.511975,-122.105087&spn=0.006607,0.009645&z=17
http://www.youtube.com/watch?v=-K_8R03jIZI&feature=related
Mind boggling!
What really boggles the mine is the scale of the bubble trap at the bottom.
Are they using a Dorso for noise reduction... LOL
Hows' about that crack you can see in the first photo (zoom in).