German colonial era for military and administrative uses. Hewani, a nearby observation point from where one may see the Rift Valley in its entirety, is close by. The oldest hospital in Tanzania's Mainland is Kilimatinde. There are a number of graves of young German troops from the early 1900s. Population The first peoples in Singida Region are the Bantu ethnic group of this region is known as the Turu people, it is the most prominent ethnic group in the region as they currently have a world population of over 1,000,000 members with most of them residing in the Singida Region. The Turu also rely heavily on grain production for the purposes of acquiring cattle, which is a very important commodity to the Turu. They primarily produce crops like uwele, maize and matama and The Turu rely on wives in the community to harvest crops and they are huge component of the Turu economy, as such bride wealth via cattle is often arranged in order to obtain a bride. Nyamwezi people are a tribe whose ancestral home are in certain parts of Singida. This is an agricultural community producing primarily crops like sorghum, millet, and rice. The Nyamwezi have matrilineal descent groups. Ancestral worship is also integral to the Nyamwezi and they also look to high gods and spirits for guidance. The Isanzu people are based in the Iramba district of Singida Region. The Isanzu speak a Bantu language called Kinyihanzu and the population is approximately 87,000 people. The Isanzu are also farmers of sorghum, millet, and maize. Some Isanzu are also migrant laborers in other parts of the country; and they also have matrilineal descent. Another people group is based in soutehrn Singida Regiona re the Kimbu people. The Datooga people also live in certain parts of northern Singida Region and as of 1996 there are approximately 100,000 Datooga people. They mainly practice Christianity but have strong adherence to traditional practices rooted in animist beliefs. This entails relying on rainmaking, and sorcery, and strong respect and deference for ancestors who are looked to for spiritual guidance. The Datooga primarily speak the language Datooga and are a formerly nomadic people, now agriculturists and farm crops like maize, beans and millet. This group also practice polygamy and rank wives based on order of marriage. Demographics Since 2002, there has been a considerable population increase in the Singida Region. With a population growth