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Development in Phnom Penh

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November 29, 2013 - Lvea village, Seang kveang Commune (Prey Veng). Mr. Chhan Sokchea (42) together with his nephew put animal waste into his biogas digester and mix it with water. The biogas digester is a simple, but powerful, sanitation technology option that can simultaneously process human & animal faeces into safe and free fertiliser and create biogas for use in cooking and household lighting. © Thomas Cristofoletti / Ruom