Tae Kwon Do.This pic is a great illustration of the belt returning to white, showing a return to purity. This is the purpose of the progression of the belt colors in TaeKwonDo we have this quote at the Lucas martial arts academy.
From left to right: Robbie Robertson, Michael McClure, Bob Dylan, Allen Ginsberg in the alley (now Jack Kerouac Alley) between Vesuvio Café and City Lights bookstore, San Francisco. Dale Smith is the photographer at far right. Photo by Jim Marshall