11_diagonal_street | location | south_africa <tsp> south_africa | capital | cape_town <tsp> south_africa | leadername | cyril_ramaphosa <tsp> south_africa | leadername | jacob_zuma <tsp> south_africa | ethnicgroup | white_south_african <sep> 11 diagonal street is an office tower in johannesburg, south africa it was built in 1983 to a height of 80 metres it is designed to look like a diamond as it reflects different views of the central business district from each angle of the buildingthe building's architect was helmut jahn 
the leader of south africa is cyril ramaphosa and jacob zuma is also a leader in the country where one of the ethnic groups is the white south africans. the country has the capital city of cape town and is the location of 11 diagonal street.11 diagonal street is an office tower in johannesburg, south africa