The Tamasheq language is spoken principally in an area located 20 km north of what river?
Timbuktu Timbuktu (pron.: ), also spelled as Tinbuktu, Timbuctoo and Timbuktoo (Berber: ;French: "Tombouctou" ; Koyra Chiini: "Tumbutu"), is an ancient city in Mali, situated 20 km north of the Niger River. The town is the capital of the Timbuktu Region, one of the eight administrative regions of Mali. It had a population of 54,453 in the 2009 census.
Birim River (New Guinea) The Birim River or "Ok Birim" in the western province of New Guinea is a tributary of the Ok Tedi River, which is in turn a tributary of the north Fly River. The Birim river joins the Ok Tedi river from the west between Ningerum and Bige. The Birim river area is inhabited by the Yonggom tribe. They practise tropical forest Swidden agriculture. About 3,000 people, they speak the Ninggerum language of the Ok group.