jimmy cagney in footlight parade (1933) pre movie morals code. note the brothel scene complete with big opium den full of stoned opium addict white whores lying around getting smoked up by old chinks not to mention the miscgenation on a mass scale between american sailors and chink whores.   they didn't close the opium dens or make dope illegal in vancouver till 1936. there's these arrays of green glass brick tiles set into the old downtown sidewalks to illuminated the whore house opium dens underground.
Canada