Preservation (1) Conservation (1) Methods (1) Zoos (1) Watchmen (1) Criminals--Rehabilitation (1) Primates (1) Possibility (1) Open-air zoos (1) Livonians (1) Light (1) Licenses (1) Goal (Psychology) (1) Foreign exchange (1) Ethnology (1) Equity (1) Anthropologists (1) Animals (1) Methods (1) Use (1) Usage (1) Relations (1) Reintroduction (1) Ethics (1) Delincuentes--Rehabilitación (1) Autorizaciones (1) Serenos (1) Cambio exterior (1) Posibilidad (1) Equidad (Derecho) (1)