"Predjama Castle - Mysterious Castle In Guinness Book"
"Predjama Castle was built in the middle of a rocky cliff 120 meters or 400 meters high 800 years ago. The castle is partially built in a natural cave and is connected to the cave system..."
"Predjama Castle - Mysterious Castle In Guinness Book"
"Predjama Castle was built in the middle of a rocky cliff 120 meters or 400 meters high 800 years ago. The castle is partially built in a natural cave and is connected to the cave system..."
Considering they still work... why we making stupid ones now? The vertical design is mich safer and more efficient than the pinwheel.