What are humanitarians actually doing, and where can you find them? Some of the world's most amazing people are not headline grabbers, and they often choose to work behind the scenes as aid workers. On World Humanitarian Day, we want to showcase the work they do around the world, from health workers setting up water tanks for Syrian refugees to volunteers educating people on gender-based violence in South Sudan. Check out our selection of pictures, gathered from some of the biggest aid organizations.

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