'Kath-Kuni' architecture, using interlocked wood and stone without mortar, is traditional to which Himalayan state?
- Himachal Pradesh
- Kerala
- Goa
- Odisha
Answer: Himachal Pradesh
Kath-Kuni is a seismic-resistant architectural style of Himachal Pradesh, using alternating layers of wood and stone. It provides insulation against cold and flexibility during earthquakes, reflecting indigenous engineering wisdom.