Patent ID: 6851228

Claim:
A structure comprising: a hollow cover having a top and a side; a pool having a bottom and a side wherein said top of said cover defines an indentation to comprise said pool; a drainpipe having opposing ends with one end connected to said bottom of said pool; an inlet pipe having opposing ends with one end connected to said opposing end of said drain pipe; a pump connected to said opposing end of said inlet pipe; an outlet pipe having opposing ends with one end connected to said pump; an outlet having opposing ends with one end connected to said opposing end of said outlet pipe and said opposing end connected to said side of said pool; a waterfall attached to said side of said pool, wherein said waterfall comprises a plurality of rocks that cause water flowing from said outlet to said p-oolto flow turbulently and become aerated; a doorway having an edge wherein said side of said cover defines a hole therein to comprise said doorway; a hinge attached to said edge of said doorway; and a door connected to said hinge.