寸土寸金，珍惜每一分土地。wy90cm浮力院

　　During the Vietnam War, the US bombed Laos more heavily than any other country had been bombed before. Spanning over three presidential terms, it was the largest covert CIA operation in US history. Today, the Laos people live among, and risk their lives to clear, over 80 million unexploded bombs on their doorsteps. With great beauty and empathy, this doc reveals the unbelievabl... (展开全部)