Culture Arena
Iran · Art & Architecture · Hard
The ancient windmills of Nashtifan in Khorasan, among the oldest in the world still turning, are unusual for rotating on which axis?
Answer: A vertical axis — Nashtifan's thousand-year-old panemone windmills spin on vertical axes, driven by the region's fierce winds.
- A A horizontal axis
- B A tilted 45-degree axis
- C Twin counter-rotating axes
- D A vertical axis ✓
Nashtifan's thousand-year-old panemone windmills spin on vertical axes, driven by the region's fierce winds.