This is a Romani Gypsy performing a traditional Romani dance. The dance and the music of the Romani people is very unique and original, and due to their isolation from other cultures has remained mostly unchanged.
I recently listened to a piece about Rudi Gernreich on KCRW's Design & Architecture. It got me interested and I am fascinated by all of the designs here. The Rudi Gernreich Book, by Peggy Moffitt and William Claxton at American Buddha Online Library