other possible photo[edit source]
- Water molecule
- + Will probably look good in the small userbox
- + Free to use (GFDL)
- - Says very little about water and sanitation
- Discharge
- + Says a lot about water and sanitation
- + Free to use (GFDL)
- - The inclusion of large pipes reduces its generalizability
- - Harder to make identifiable in the small userbox
--Lonny 17:32, 18 July 2006 (PDT)