Impressions de la haute Mongolie (Hommage àRaymond Roussel) is a 1976 comedy film directed by Salvador Dalàand José Montes-Baquer, starring DalÃÂ. It is a mockumentary about a hunt through Mongolia for a giant hallucinogenic mushroom. The film is dedicated to Raymond Roussel, author of the similarly titled novel Impressions dâÂÂAfrique.