1189273 Tanzania / Zanzibar: \'A slave master\'s punishment for a slight offence\'. Young Swahili boy chained to a log he is carrying on his head. Zanzibar, c. 1890 (b/w photo); (add.info.: In 1698, Zanzibar fell under the control of the Sultanate of Oman. Until around 1890, the sultans of Zanzibar controlled a substantial portion of the East African coast, known as Zanj, which included Mombasa, Dar es Salaam, and trading routes extending much further inland, such as the route leading to Kindu on the Congo River.); Pictures from History; out of copyright.