In 1895 Bottego, with three European companions, left Brava to investigate the river system north of Lake Rudolf, and succeeded in tracing the Omo to that lake.
They are Mukdishu (q.v.), pop. about 5000, Brava (4000), Marka (5000), Warsheik (3000) and Yub.
The materials on the coast were clay and gravel wrought into concrete, sun-dried bricks and pise, or rammed work, cut stalks of plants formed with clay a kind of staff, and lintels were made by burying stems of cana brava (Gynerium saccharoides) in blocks of pise.
The puna brava extends from 12,500 ft.
After discovering the islands which now bear his name, da Cunha landed in Madagascar, subsequently visiting Mozambique, Brava (where he reduced the Arab power) and Sokotra, which he conquered.