Lower Silesia is a real enigma for historians and treasure hunters. During World War II, this was where the Germans hid, among other things, priceless works of art looted in occupied Poland. Some of them were found after the defeat of the Third Reich, others are yet to be discovered. Countless caves, tunnels, pits and mines of Lower Silesia, as well as castles and palaces with cavernous dungeons, offered a good hiding place for larger and more valuable items
Countless caves, tunnels, pits and mines of Lower Silesia, as well as castles and palaces with cavernous dungeons, offered a good hiding place for larger and more valuable items.
Source: poland.pl/tourism/urban-tourism/hidden-treasures-lower-silesia/
investigative Tomas Fredriksson 