33.3

The Last Ride is about homelessness in the American south

They were shot by photographer Ed Finnell in 1975 and 1977

Watch footage, including an 8-minute "Down By The River"

Roger Waters' The Wall tour has been named the highest grossing tour of the year so far by Boxscore/Billboard. The Pink Floyd man's global jaunt earned $131.4 million (£83.6 million) from November 1 last year to May 31 this year, selling 1.2 million tickets. The tour ends on July 21 in Quebec City, and will have made more than $350 million (£223 million) in total since it hit the road in 2010, and will have been seen by three million people.