Ключевые слова: africa, african, atlantic, atlanticocean, attraction, bird, blue, cave, cavern, cavesofhercules, channel, door, entrance, famous, frame, gibraltar, grotteshercules, grotto, hercule, herculesgrotto, historic, hole, horizon, inside, landmark, maghreb, map, moroccan, morocco, natural, nobody, north, ocean, oriental, outdoor, popular, rock, sea, shape, silhouette, sky, stone, strait, tangier, tourism, travel, view, water, wave, window,