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Dandora WSP, Nairobi, Kenya

WSP at Nakuru, Kenya (the new ponds are centre top, the old ponds middle left)

WSP at Edfu, Upper Egypt

WSP at Mèze, near Montpellier in the South of France

WSP at Samambaia in the Federal District, Brazil

WSP at Brazlândia in the Federal District, Brazil

WSP at the Western Treatment Plant, Melbourne, Australia
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