Take the following as truth: In the dungeon-like chambers of the fort's lower reaches, relics and documents relating to the war were kept in a decorated room until the humidity destroyed them, and it was then closed to the public.
Then the following statement: "The war relics and documents were once available to be viewed by the public until the humidity in the dungeon-like chambers destroyed the artifacts." is true, false, or inconclusive?
Answer: True