A building of the Bank of Botswana is seen in the capital Gaborone in Botswana, in this November 26, 2015 file photo. REUTERS/Siphiwe Sibeko
A building of the Bank of Botswana is seen in the capital Gaborone in Botswana, in this November 26, 2015 file photo. REUTERS/Siphiwe Sibeko