élimination des déchets (1) mur (1) vallée (1) temps (durée) (1) fleuve (1) région (1) plaine (1) architecture (1) économie (1) datation (1) densité (1) bâtiment (1) profession (1) The Valley (1) Development (1) Density (1) Area (1) Dating (1) Mesopotamia (1) Antiquities, Prehistoric (1) Area (1) Waste disposal (1) Units of measurement (1) Caucasus, South (1) Time (1) Storage (1) Sewage disposal (1) Refuse and refuse disposal (1) Organization (1) Millennium (Eschatology) (1)