On Reunion Island, a university professor and two mountain climbers set up an expedition in search of a missing photographer friend who disappeared in the "Trou d'Enfer", a beautiful yet dif... Read allOn Reunion Island, a university professor and two mountain climbers set up an expedition in search of a missing photographer friend who disappeared in the "Trou d'Enfer", a beautiful yet difficult to access canyon.On Reunion Island, a university professor and two mountain climbers set up an expedition in search of a missing photographer friend who disappeared in the "Trou d'Enfer", a beautiful yet difficult to access canyon.