If you are interested in seeing what it looks like, click these links:
http://farm2.static.flickr.com/1018/606261657_e1f2247584.jpg
http://www.themodernapprentice.com/cloaca.jpg
http://farm2.static.flickr.com/1018/606261657_e1f2247584.jpg
http://www.themodernapprentice.com/cloaca.jpg