Roll over Cheech and Chong. East India Dock Company and HSBC (former Midland Bank), your opium-addled drug-running days in China were 2,500 years too late.
The world's oldest stash of marijuana has been found in a shaman's tomb in the outlands of China. "The region of China where the tomb is located, Xinjiang, is considered an original source of many cannabis strains worldwide."
And none of that feeble "hemp used for fibre", malarky. Experts say this weed was "cultivated for psychoactive purposes".
Two and a half millennia ago? Dammit! I know where we went wrong. We invented ice-cream but no CHOCOLATE!!!!!