From Our Own Correspondent

Kate Adie presents stories from Australia, Poland, the US, Cameroon and Cape Verde.Australians are voting in a historic referendum on whether or not to recognize Aboriginal and Torres Strait Islander people in the country’s constitution, and create a body that can advise governments on issues affecting their communities. After months of campaigning voters are bitterly divided, as Katy Watson found out.Poland’s upcoming election could result in an unprecedented third consecutive term for the incumbent right-wing populist government. Adam Easton travels to the Polish countryside to find out why the government remains popular.The suburbs of Phoenix, Arizona’s state capital, are among the fastest-growing in America. As brand new homes and offices spring up, there’s a problem developing beneath them. Mark Moran reports from a desert state that is running out of groundwater.The Ngonnso statue, held in the collection of a Berlin museum, holds cultural and spiritual significance for the Nso people of Cameroon. Kim Ch