Soda extraction at Lake Natron, donkeys of the Maasai transport the salt slabs to the lake shore, Tanzania, Africa

africa african at being beings day daylight daytime deposit deposits dig donkeys during excavation exterior exteriors extraction human humans indigenous labor laborer laborers laboring labors labour labourer labourers labouring labours lake lake local maasai man mineral minerals mining native natives natron of outdoor people person persons photo photos population populations production salt sediment sedimentation sedimentations sediments shore shot shots slabs soda tanzania the to transport woman work worker workers working works