We took the kids to the National Zoo this past weekend, and near the Ape
house under the Orang Utan (which is two words, I never knew that) towers,
there is a great little pond. I say little, but it was easily 20 feet
across. I too some pictures, and thought I'd share them with the group.

http://www.darofamily.com/jeff/easyurl/zoo.htm

BV.