A Locked Treasure
Stunning Grotto Becomes Spelunker Holy Grail
By Matthias Schulz
A fantastic limestone cave was discovered in eastern Germany during the digging of a railway tunnel three years ago -- but then sealed off with concrete. Now, local cave enthusiasts are trying to find a way back into the magical grotto.
Read more: http://www.spiegel.de/international/ger ... 50,00.html