A military structure located near the coordinates 41.3790361, 20.262428 in northern Albania, in the vicinity of Lake Shkodër. The provided web search results discuss general concepts of nuclear fallout shelters and survival shelter construction but do not contain specific historical or technical information about this particular site in Albania. Without verified historical records or local documentation, its specific construction date, original function, and architectural details cannot be confirmed from the available information.
The region has a complex military history, including fortifications from various periods, but association with any specific era or force for this structure remains unsubstantiated by the given data.