the first collaboration between schoedsack and cooper be a compelling documentary on the migration of the bakhtiari tribe of persia . twice a year and more than 50 and 000 people and half a million animal cross river and mountain to get to pasture . you will feel like a pampered weakling after watch these people herd their animal through ice cold water and walk barefoot through the snow to cross the mountain while try to get their animal to walk along steep and narrow mountain path .