"Dungeons & Dragons", "Dungeons and Dragons": 17 facts and photos of the mysterious world beneath our feet

Tunnels, caves, grottoes and hollows somehow always look fascinating and attract people. This list - the most impressive underground facilities of the modern world, collected from around the world. < 1.




2.




3.




4.




5.




6.




7.




8.




9.




10.




11.




12.




13.




14.




15.




16.




17.




via mixstuff.ru/archives/86307