1977 U.S. travel restrictions to Cuba, Vietnam, North Korea, and Cambodia were lifted.
1977 U.S. travel restrictions to Cuba, Vietnam, North Korea, and Cambodia were lifted.
美国解除到古巴、越南、北朝鲜和柬埔寨旅行的限制。
1977 U.S. travel restrictions to Cuba, Vietnam, North Korea, and Cambodia were lifted.
美国解除到古巴、越南、北朝鲜和柬埔寨旅行的限制。