A huge cave opened in the face of a limestone mountain.
![A huge cave opened in the face of a limestone mountain. Mohutná jeskyně otevřená ve stěně vápencové hory.](https://www.gli.cas.cz/en/system/files/users/public/zajic_5/gallery_assist/gallery_1218/prev/8_mg_6242_.jpg)
© Michal Filippi
A huge cave opened in the face of a limestone mountain.
A huge cave opened in the face of a limestone mountain.
A huge cave opened in the face of a limestone mountain.