Kenya (2) Preservation (1) Conservation (1) Causes (1) World Heritage areas (1) Conservation biology (1) Common heritage of mankind (International law) (1) Value (1) Threats (1) Sacred groves (1) Ribs (1) Revalorization of debts (1) Natural resources (1) Natural monuments (1) Humanity (1) Forests and forestry (1) Face (1) Etiquette (1) Research (1) Social life and customs (1) Origin (1) Estate (1) Patrimonio (1) Origen (1) Patrimonio común de la humanidad (1) Valor (Economía) (1) Amenazas (1) Etiqueta (1) Investigación (1) Analyse de site (1)