Why is Leonardo da Vinci's "The Last Supper" in such bad shape?
Leonardo da Vinci's "The Last Supper" began deteriorating within his lifetime because he experimented with painting on dry plaster instead of using traditional fresco techniques.
Reference: Vatican
Leonardo da Vinci's "The Last Supper" began deteriorating within his lifetime because he experimented with painting on dry plaster instead of using traditional fresco techniques.
Michelangelo painted the Sistine Chapel ceiling from 1508 to 1512 standing on scaffolding with his head tilted back, not lying down as the popular myth claims.
Construction of Germany's Cologne Cathedral started in 1248 and was not finished until 1880, more than 600 years later.