Johannesburg is the South African city that is a regional hub of commerce and has South Africa's premier international airport. Johannesburg is not one of Africa's 3 capital cities, but it is the seat of the Constitutional Court, which has a final word on South Africa's constitution.
Tourism, Agriculture, Liquors
The Danube forms a part of the border between Serbia and Romania.
It later also forms a part of the border between Romania and Bulgaria and before also Serbia and Croatia.
It also passes through 4 European capitals: Bratislava, Vienna, Budapest and Belgrade
The cliff at point A is the erosional landform.
Much pollution fills the air because of train s which let off steam that contains chemicals.