Posted inAT Finance, United States, Vietnam, World

US Army veteran studies Vietnam War tunnels

Ken Olson followed his Vietnamese guide into the tortuously twisted tunnels beneath Cu Chi, Vietnam. Olson, who had spent a career studying soils in America’s Midwest, touched the walls of the underground cocoon. “They were smooth, hardened soil, like concrete,” he recalls. “I could only imagine what it must’ve been like in the dark tunnels […]