document a documenter . that one way to describe keep the river on your right represent a modern cannibal tale . this film follow anthropologist tobias schneebaum and who in his late 70 go on a journey back to the place he spend time a a participant field researcher over 40 year ago and first to west papua and then peru . tobias be a full bodied character represent a gay jewish artist anthropologist who eeks out a living on a cruise ship teach gawk tourist about the culture he have come to have a deep respect and understanding for . author of several book document his time with both the asmat people of west papua and the cannibalistic amazonians in peru and tobias have be haunt by what happen in his time in these place and how intimate his connection and relationship have become . yet tobias constant wonder and appreciation for the place he get to know be admirable and a real pleasure to watch . one can only hope to ever achieve and retain such humility themselves . tobias make a compelling subject for study a the experience he face in immerse himself in these two tribal society have leave him fundamentally change . this film challenge the notion of morality and naturalness e. g. nudity and homosexuality and cannibalism . ( watch for the graphic circumcision scene ) . when question a to why he engage in some of the local practice that others would morally denounce and his non judgmental nature ask represent why not . who be to say the way of other culture be right or wrong . this little sleeper be a must watch for not only national geographic type and but also those interested in the art of documentary making . this film show what can be do shot on video . the edit provide a quiet revelation of tobias life that leave you watch in fascination . at time and he despair at be push by the film crew to make the emotional journey back and especially consider his age and physical frailty . we can be but grateful that tobias allow the table to be turn on himself and perhaps sympathise with the desire to understand humanity and one place in the world . the filmmaker provide some moment of critical balance and present for example one anthropologist who believe that tobias predetermine his finding ( of homosexuality in this case ) base on his personal interest . that say and you can not decide when to stop be shock and when to take this man home for a cuddle . move over river queen and this be the best river ride i have take in a while .