As the world's drug habit shows, governments are failing in their quest to monitor every London window-box and Andean hillside for banned plants. But even that Sisyphean task looks easy next to the fight against synthetic drugs. No sooner has a drug been blacklisted than chemists adjust their recipe and start churning out a subtly different one.

Due to his sunbathing, Jim's body experienced modifications: he got a tan.

a great black crock upon the brandise

Quantity of words and a determinate number of feet.