The drilling and digging has begun
A drilling company began boring pilot holes at one-yard intervals trying to find the entrance of the cavern, about 100 yards from the Czech border in the eastern German state of Saxony. Once it is found, the searchers are to snake a camera down into the enclosure to determine exactly what they have found.
Not mentioned in this article, I've read elsewhere that the treasure hunters have some concern about booby traps.