Lupa River, Nyasa, Tanzania, 1937

"Der Lupa-Fluss: In der Regenzeit führt er grosse Wassermengen und ist unpassierbar. Am Ende der Trockenzeit ist er völlig trocken." ("Lupa River: During the rainy season the river is in spate and is impassable. At the end of the dry season it is completely waterless."). View of a fast-flowing river. In the background: mountains.; Theodor Tietzen (1893-1973) was a missionary of the Herrnhuter Brüdergemeine. Having married Hildegard Marie Lenz in 1921 and served in South Africa (West) from 1922 to 1927, he moved to East Africa, where he served in Mbozi till 1929 and in Utengule till 1939. In the 1950s he returned to South Africa.