The main character is shown stripping down to his underwear in the beginning of the film and swimming in a river. He turns his back to the camera to show his underwear sticking to his buttocks (almost see through) and he urinates in the river. We only see the stream, but no frontal nudity.
A woman's bare bottom is show twice as is her pubic hair, in a distance/blurry shot.
Two men have sex, but no explicit nudity or sexual content is shown. One man removes the other's shirt and throws him down on the bed. They kiss passionately while one lays down on top of the other, on top of his clothed crotch. No sex is shown.