A Sudanese boy from Dinka tribe poses next to his cow at their cattle camp in Mingkaman, Lakes State, South Sudan, on March 3, 2018. During South Sudan’s dry season between December and May, pastoralists from the highlands move to the lowlands and close to the Nile, where they set up big cattle camps to make sure their animals are close to grazing land. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese boy from Dinka tribe holds his spear at their cattle camp in Mingkaman, Lakes State, South Sudan on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





a Sudanese boy from Dinka tribe warm up by a fire in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese boy from Dinka tribe drinks milk from a cow udder at their cattle camp in Mingkaman, Lakes State, South Sudan on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese cattle keepers from Dinka tribe Makal Maker (R) and Achiek Butich pose with the guns for their protection at their cattle camp in Mingkaman, Lakes State, South Sudan, on March 2, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese men from Dinka tribe drag away a dead cow, poisoned by a scorpion bite, in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese boy from Dinka tribe covers his face with an ash as mosquito repellent in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese girl Den, (14) from Dinka tribe who works as a cattle keeper, cook and cleaner and aid to her brother without attending any school poses at their cattle camp in Mingkaman, Lakes State, South Sudan on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese boy Nhial Pandiar (12) from Dinka tribe milks a cow at their cattle camp in Mingkaman, Lakes State, South Sudan on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese cattle herders from Dinka tribe gather their church' s prayer in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese boys from Dinka tribe hold instruments during their church' s prayer in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese boy from Dinka tribe tends a cow in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese man from Dinka tribe blows on an instrument made from a cow' s horn at their cattle camp in Mingkaman, Lakes State, South Sudan on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese boys from Dinka tribe use cow' s urine to wash hair at their cattle camp in Mingkaman, Lakes State, South Sudan, on March 3, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese boy from Dinka tribe sits next to cows in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





Sudanese boys from Dinka tribe pose in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)





A Sudanese man from Dinka tribe poses with a rifle in the early morning at their cattle camp in Mingkaman, Lakes State, South Sudan on March 4, 2018. (Photo by Stefanie Glinski/AFP Photo)