10-11-2016 - Oakland, California. Rally against Wells Fargo Bank who have financed the Dakota Access Pipe Line by unions and activists opposing construction and in solidarity with the Standing Rock Sioux water pro... © David Bacon

10-11-2016 - Oakland, California. Rally against Wells Fargo Bank who have financed the Dakota Access Pipe Line by unions and activists opposing construction and in solidarity with the Standing Rock Sioux water pro... © David Bacon

10-11-2016 - Oakland, California. Protest inside a branch of CItibank who have financed the Dakota Access Pipe Line by activists opposing construction and in solidarity with the Standing Rock Sioux water protector... © David Bacon

10-11-2016 - Oakland, California. Protest inside a branch of CItibank who have financed the Dakota Access Pipe Line by activists opposing construction and in solidarity with the Standing Rock Sioux water protector... © David Bacon

10-11-2016 - Oakland, California. Protest inside a branch of CItibank who have financed the Dakota Access Pipe Line by activists opposing construction and in solidarity with the Standing Rock Sioux water protector... © David Bacon

10-11-2016 - Oakland, California. Rally against Wells Fargo Bank who have financed the Dakota Access Pipe Line by unions and activists opposing construction and in solidarity with the Standing Rock Sioux water pro... © David Bacon

10-11-2016 - Oakland, California. Rally against Wells Fargo Bank who have financed the Dakota Access Pipe Line by unions and activists opposing construction and in solidarity with the Standing Rock Sioux water pro... © David Bacon

10-11-2016 - Oakland, California. Rally against Wells Fargo Bank who have financed the Dakota Access Pipe Line by unions and activists opposing construction and in solidarity with the Standing Rock Sioux water pro... © David Bacon

21-07-2010 - Prison officers pipe band lead the Parade of banners. Tolpuddle Martyrs festival. © Paul Box

21-07-2010 - Prison officers pipe band lead the Parade of banners. Tolpuddle Martyrs festival. © Paul Box

21-07-2010 - Prison officers pipe band lead the Parade of banners. Tolpuddle Martyrs festival. © Paul Box

21-07-2010 - Prison officers pipe band lead the Parade of banners. Tolpuddle Martyrs festival. © Paul Box

04-06-2010 - The Aztec eagle symbol of the United Farm Workers union UFAW on a concrete pipe next to a grape field. © David Bacon

08-09-2000 - Lorry drivers and farmers formed a blockade outside the Shell Oil refinery at Stanlow, Ellesmere Port, Cheshire, preventing tankers from leaving, in protest at high fuel prices. © Paul Herrmann

24-01-1987 - John Lyons Gen Sec EMA 1987 © Stefano Cagnoni

07-07-1975 - Harold Wilson arriving to speak at NUM Annual Conference, Scarborough 1975 © NLA

01-11-1970 - Pipe smoking union leaders of Equity union meeting. Gerald Croasdell Gen Sec, Ernest Clarke (Pres), Peter Plouviez Ass Sec, Harley Street, London © NLA