Listen to this essay 26 minute listen In the 18th century, the streets of East London were filled with flowers. Fuchsias, auriculas and star-of-Bethlehem grew from the window boxes of tall terraced houses. And tulips and dahlias sprouted from the narrow allotments kept by local silk weavers, who often tended to their gardens on Mondays. But as mechanical looms took over, and the weavers were force...