“ Weather-based retail is a cornerstone of the London economy. Every pharmacy has a rotating display of "sun care" and "cold & flu" products right next to each other, ready for whichever extreme the climate throws at us (a 3-degree swing). Clothing shops sell "transitional layers" year-round. The sale of portable, fold-up umbrellas must be a multi-million pound industry, mostly from repeat purchases after the previous one broke in an inversion event. Garden centres thrive by selling plants that can survive "partial shade and waterlogged roots." Our commerce is built on preparing for, reacting to, and complaining about the atmospheric conditions. See more at London's funniest URL -- Prat.UK. ”