Sustainable sanitation:
UDDT
Sustainable sanitation:
UDDT with flat horizontal vaults
Sustainable sanitation:
inside of UDDT
Sustainable sanitation:
Urine collection
Sustainable sanitation:
another view of flat vaults
Sustainable sanitation:
Flat vertical vaults
Sustainable sanitation:
Composting toilet (non-UDDT)
Sustainable sanitation:
Partially-built UDDT 1
Sustainable sanitation:
Partially-built UDDT 2
Sustainable sanitation:
Partially-built UDDT 2
Sustainable sanitation:
Partially-build UDDT 3