In this photo taken Sunday, March 12, 2017, a girl Abuk walks home with her brothers and friends after collecting clean water from a water point four kilometers away from her home, in Aweil, in South Sudan. As World Water Day approaches on March 22, more than 5 million people in South Sudan, do not have access to safe, clean water, compounding the problems of famine and civil war, according to the UNICEF. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Saturday, March 11, 2017, women walk across parched and burned former farmland on the outskirts of Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, a boy sits next to a fetid pool of water in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, children help a man move a dugout canoe from a dried-up river bed in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, a young man walks his cattle across parched and burned former farmland on the outskirts of Aweil, in South Sudan, Sunday, March 12, 2017. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, a girl Abuk gathers dirty water from an old well in her village in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, a girl Abuk washes her legs as her friend pumps water at a water point four kilometers from her home in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Sunday, March 12, 2017, a girl Abuk washes her legs at a water point four kilometers from her home in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Thursday, March 9, 2017, women fill jerrycans of river water to take back to their homes in Torit, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Thursday, March 9, 2017, young men fill water tanks from a river to take back and sell in neighborhoods around Torit, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Thursday, March 9, 2017, a woman carries a jerrycan of river water back to her home, as young men fill water tanks from the river to take back and sell in neighborhoods around Torit, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Saturday, March 11, 2017, women walk along the road past parched and burned agricultural land in Aweil, in South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)





In this photo taken Wednesday, March 8, 2017, a young girl carries clean water home from a water treatment point built by UNICEF in Torit, South Sudan. (Photo by Mackenzie Knowles-Coursin/UNICEF via AP Photo)