Photo: From left, Dennis, 26, Harusi, 14, Neema, 11, and James, 16. Neema lives in Marafa, Kenya, with eight siblings and her parents. They struggled for years with the side effects of drinking unsafe water from the swamp near their home. Everything changed in 2011, when World Vision drilled a deep borehole well in Marafa. By August 2013, it served 5,000 people.  © 2015 World Vision, Chris Huber

Photo: From left, Dennis, 26, Harusi, 14, Neema, 11, and James, 16. Neema lives in Marafa, Kenya, with eight siblings and her parents. They struggled for years with the side effects of drinking unsafe water from the swamp near their home. Everything changed in 2011, when World Vision drilled a deep borehole well in Marafa. By August 2013, it served 5,000 people.  © 2015 World Vision, Chris Huber