Digging Tunnels
Yamashita had a special task of planning where the tunnels would be dug. He had to organize the dig and the search for caves where the loot could be safely hidden. The prisoners of war and Japanese soldiers dug out the tunnels and met their end…
It Remained A Secret
The location remained secret because after digging out the tunnel and carrying the loot, the laborers inside were trapped. The openings to the tunnels were blown up so that the people who knew the location of the treasure would never be able to reveal it.