puits (1) ligne de partage des eaux (1) village (1) vallée (1) formation (1) fleuve (1) atlas (1) morphologie (1) inventaire (environnement) (1) analyse (1) champ (1) évolution (1) datation (1) sujet (1) climat (1) charbon de bois (1) Morphology (1) Dating (1) Observations (1) Observations (1) Training (1) Tops (1) Theater (1) Sedimentary structures (1) Plantations (1) Outlines (1) Morphology (1) Materials (1) Evolution (1) Drama (1)