Unesco world heritage centreles villes de nîmes, arles, glanum se trouvent à un nœud de communication primordial dans l'histoire des territoires de l'empire romain : Situated in the pacific ocean some 1,000 km from the south american continent, these 19 islands and the surrounding marine reserve have been called a unique ‘living museum and showcase. Situated in the pacific ocean some 1,000 km from the south american continent, these 19 islands and the surrounding marine reserve have been called a unique ‘living museum and showcase.