國際環境衛生年. Key words International Year of Sanitation. Promotion video: http://www.youtube.com/watch?v=ADlqgBPRp1c UNICEF: International Year of Sanitation 2008 launch http://www.youtube.com/watch?v=sTr5CP9bD78 WERI foundation - (IYS 2008 ) - Water for life, 2005-2015 安祖蓮娜。畢比特
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International Year of Sanitation