This short documentary shows how a city's water supply is purified at a filtration plant. The complex system of the underground mains that supply all...
Maua fua leai se faʻatagaina, Saili mo se mea Leai se Faʻasalalauga, Miliona o ulutala ma faʻaopopo i aso uma, Faʻavae uma ma Atoa faʻaleleia, Soʻo se mea ma soʻo se taimi