Sitting on the banks of the Danube is a wartime listening device that wouldn’t look out of place in a steampunk arsenal or a fantastical Studio Ghibli animation. The listening device, labeled “Air Defence Early Warning Listening Ears – 1917” on its short plinth, faces the Pest side of the river from its home at the foot of the Buda castle gardens. The device was used to amplify and monitor the sound of aircraft approaching the city during World War I Visitors can still don the headphones attached to the…
