WIELICZKA, POLAND - OCTOBER 23: Wieliczka Salt Mine (13th century) is one of the world's oldest salt mines. Has over 300 corridors and 300 chambers on 9 levels. October 23, 2012 in Wieliczka, Poland.
- Image ID: 120767611
- Release Information: Editorial Use Only. Use of this image in advertising or for promotional purposes is prohibited.
- Editorial Credit: posztos / Shutterstock.com
- Copyright: posztos