Bernsteinzimmer
Another hypothesis involves a bunker in Mamerki in northeastern Poland, or that Stalin ordered the Amber Room replaced with a replica prior to its looting, hiding the original. The main problem with finding the Amber Room is that the Nazi regime hid many items in many difficult-to-reach places, usually without documentation, leaving a wide search area. Even as early as 1939, the Germans moved items to destinations far from Europe, as in the case of , which carried 4 tons of gold (equal to ), not found until 2017. The search for the Amber Room has also been halted by authorities. In the case of Frýdlant castle it was halted because of the historic value of the castle.