From drag raves to club kid couture: Is London still the counterculture capital?

London (CNN)Derek Blasberg visits Britain's capital city during one of the most culturally-rich months of the year, exploring London against the backdrop of Fashion Week, Frieze Art Fair and the looming issue of Brexit. Featuring Cara Delevingne, Vivienne Westwood, Georgia May Jagger, Christopher Bailey, David Shrigley and Mario Testino.