One of the great parts about doing construction/renovation is that you can turn up all kinds of hidden treasures. Sometimes you find an autographed baseball in the wall of a house. Sometimes you find some vintage movie posters hidden under the floorboards. Sometimes you find a 500-pound World War II bomb shell near a high school in Bath, England and 1,000 people have to be evacuated. Bomb crews are currently working to construct a barrier around the shell and transport it to a safe location for a controlled explosion.
Still, pretty cool find, right?