World-famous Hungarian cave to close for two years due to renovation
Corroded ladders will be replaced with corrosion-resistant ones, and safer walking surfaces will be created to provide greater protection for fragile formations.
- Hirdetés -
- Hirdetés -
Corroded ladders will be replaced with corrosion-resistant ones, and safer walking surfaces will be created to provide greater protection for fragile formations.
- Hirdetés -