"The largest manmade sandstone caves in Europe, known as Pekelné Doly, or “Mines of Hell,” lie in a forested area near the Svitavka River. Dug in the 18th century to collect sand for the production of glass for mirrors, the mining operation excavated tunnels a whopping 37,600 square feet in total, supported by sturdy rock columns."
Information
Location : 50.726869, 14.646169
- Author
- Marcus O. Bst
- Rating score
- no rate
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- Created on
- Wednesday 17 July 2019
- Posted on
- Tuesday 23 July 2019
- Visits
- 1021
EXIF Metadata
CASIO COMPUTER CO.,LTD. EX-ZR700
- Make
- CASIO COMPUTER CO.,LTD.
- Model
- EX-ZR700
- DateTimeOriginal
- 2019:07:17 13:05:59
- ApertureFNumber
- f/3.5
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