Japan has always been famous for its fashion subcultures. Walk about Tokyo on the weekend and you'll see the usual mash-up of lolita, rockabilly and cosplay enthusiasts. But look that little bit harder and you'll also see the chino slacks, white vests and tattoos belonging to Japanese 'Cholos' – those who have dedicated their life to Chicano subculture. Now often negatively associated with L.A. street gangs, Chicano culture actually has its roots in the Mexican-American empowerment movement which spanned the 1940s through 1970s. So how did it end up in Japan?