"Eingeborne bei der Mauerarbeit in Kyimbila." ("Natives bricking up in Kyimbila."). About 15 African men at the site of a house in construction bricking up walls. In the background: trees and a range of mountains.; Adolf Ferdinand Stolz (1871-1917) was a mission trader of the Herrnhuter Brüdergemeine in Ipanya from 1898 to 1902 and in Kyimbila from 1903 to 1914. He was responsible for the plantations in Kyimbila and Rutenganio. In 1898 he married Helene Elisabeth, née Kootz (1872-1899), in 1903 Anna, née Schulze.