“Naked Yoga” is a short clip by filmmaker Paul Corsden featuring - naked yoga on a beach in Cyprus and in a studio. It is complemented with images of Eastern art and psychedelic effects.

You can watch it at dailymotion:

The wikipedia article further explains that it was nominated for an Oscar in 1975, and that it was actually considered a lost movie before it was found again and restorated in 2012.

The filmmaker Paul Corsden, born in Denmark 1935, is also a painter. He studied briefly at the Royal Academy of Fine Arts in Copenhagen, has lived and worked in Paris and later moved to London. See the facebook page for his art, Isendyouthis and his own facebook profile