They look like cosmic chapels, luxury spas and uber-cool art galleries. One even boasts a 250-year-old ceiling from a Burmese monastery. Our writer joins the ‘cannaseurs’ in a bong-filled world that could be the future of Britain‘Do you know what terpenes are…

Do you know what terpenes are? says our glamorous host, pointing to four glass domes spotlit on a table, each containing mysterious lumps of black rock. The surrounding walls of this small room in Lo…