In spite of U.N. Millennium Goals, many around the world find it difficult to access clean water. Keeping safe from contamination often means long treks with heavy loads, a basic knowledge of sanitation, and intervention by NGOs.
CH. 1: MANDARIN | CANTONESE
CH. 2: VIETNAMESE | BURMESE | KOREAN
CH. 3: KHMER | LAO | UYGHUR
CH. 4: TIBETAN
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