The village of Ečka is best known for its Kaštel (Castle), which is now a hotel, and its Art Colony. But just a short walk away from the Kaštel—one of the best preserved and most popular castles in Serbia, famous for the composer Franz Liszt playing piano there as a nine-year-old boy—are the ruins of an old water tower that looks like a part of a film set. The inside is graffitied, plants are colonizing the roof, and the walls are deteriorating. The building has been similarly neglected in terms of scholarly documentation, so…