The action was organized by the Swiss association for International Cooperation Helvetas to highlight the UN's World Water Day. (AP Photo/Keystone/Peter Klaunzer)

这次行动由瑞士协会的国际合作者Helvetas组织，来引起人们对世界水日的关注。

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In December, the head of the Swiss NGO Helvetas, Anne Sophie Gindoz, was expelled for "breaking the rules".

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