China's 1.800-kilometer long Grand Canal, which was completed in 610 AD and flows through 17 cities, is the world's oldest and longest man-made waterway.
中国的1,800公里长的大运河，建成于公元610年，流经17个城市，是世界上最古老，最长的人工水道。
China's 1.800-kilometer long Grand Canal, which was completed in 610 AD and flows through 17 cities, is the world's oldest and longest man-made waterway.
中国的1,800公里长的大运河，建成于公元610年，流经17个城市，是世界上最古老，最长的人工水道。
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