ocr: FrenchGuiana (frehnch gee AH nuh) - - - - - if - - - - - Capital cayenne Currency Franc Language French Physical Feature The Tumuc-Humac Mountains separate Frencho Guiana from neighboring Brazil. - - l - - - Landmark Devil's Island was formerly a French prisoncolony - - p ) from which escape was all but - - impossible. Did you know? French Guiana belongs to France. Itis the only area in South America still controlled by a European - nation.