Buildings are sinking and cracking in one of Europe’s largest cities

Buildings are sinking and cracking in one of Europe’s largest cities

By Laura Paddison, CNN (CNN) — As blistering temperatures baked London this summer, people started to notice strange things happening to their houses: zig-zagging cracks suddenly appeared across walls, doors got stuck, windows warped. Extreme heat brings many problems for a country not built for it: Schools close, train tracks buckle and