Clark Tang Clark Tang’s uncle, Bunpa Ung, with Clark’s mother, Clair Ung with Clark (left, approx. 2-3 yrs old) and his older brother Shane Pen, (right, 4-5 yrs old). The photo was taken in a studio in Ta Khmao, Cambodia in 1971. The uncle is now a heart surgeon in Switzerland and has three children. The photos were buried in the ground and a family member went back after the war to dig them up.