Even today, life in the tropical rain forest of middle America is an unending struggle for survival. So how was it that a flourishing civilisation was created there by a race of stone age men? Without the wheel and with no metal the Mayas built great cities, developed a brilliant artistic culture and evolved a system of mathmatics the equal of any in the world. Who were these mysterious people whose classic civilisation collapsed before colombus discovered America, but whose works still arouse the wonder of modern man.