In 1966 during the Vietnam War, Tran Van Lai, a politician, brought a house at 287/70 Nguyen Dinh Chieu Road in District 3 of what was then Saigon. Over the next few months, he constructed a secret cellar without the knowledge of his family. He used the secret hideaway to store weapons that would be used in the 1968 attack on the Royal Palace. This event was better known as the Tet Offensive. To avoid suspicion, he put all the dirt collected from digging the bunker into boxes and disposed of them using…
