sandton aerial city view of financial, commercial and residential area, with tallest building, "the leonardo"

johannesburg metropolitan municipality construction architecture technology skyscraper cityscape buildings corporate landscape megacity skylines building leonardo business downtown landmark exterior gauteng greater tallest sandton skyline tourism joburg africa soweto aerial modern office travel south egoli urban tower city gold area view tall sky cityscape tallest skylines technology building construction africa buildings sandton skyline skyscraper business architecture city modern office travel downtown sky tower landmark view tourism exterior leonardo landscape aerial area gold johannesburg egoli gauteng joburg megacity municipality soweto