Tehran, April 24, IRNA President Hassan Rouhani officially welcomed his visiting South African counterpart Jacob Zuma here on Sunday. President Zuma, heading a high-ranking delegation, arrived in Tehran early today. National anthems of the two countries were played in the ceremony and the two presidents reviewed parade. Then, Iranian and South African presidents started bilateral talks. During Zuma's stay in Tehran, several economic documents will be signed by the two countries' delegations. South African president is scheduled to leave Tehran for the historical Iranian city of Isfahan on Monday. By IRNA