One of Istanbul’s most extraordinary buildings was left to rot for decades. Now it’s been brought back to life

By Ali Halit Diker, CNN Istanbul (CNN) — For years, the Botter Apartment was easy to miss. On İstiklal Avenue — Istanbul’s busiest pedestrian street, where a vintage red tram rattles past music shops, cafes, and boutiques — most people never looked up. Above the shopfronts, a graceful Art Nouveau façade, once at the forefront