"Kim Myeong Bok, Kang Hi-dong, Maria Kang In this . Kim Lee-nam, left, a South Korean war veteran of the Korean War, speaks about photos of Chipyong-ri Battle to Kim Myeong Bok, second from left, and Kang Hi-dong, second from right, former North Korean prisoners of war held in South Korea during the 1950-53 war, at Chipyong-ri Battle Memorial Hall in Yangpyeong, South Korea. Kim and Kang, living in San Francisco, came back to South Korea on July 23 with a South Korean movie director who's making a documentary on ex-POWs. The film, titled ""Return Home,"" is intended to trace back their turbulent lives, but the men may not be able to make one important stop. Pyongyang has not given them permission to enter North Korea. At right is Maria Kang, wife of Kang"