Knock Nevis, formerly known as Seawise Giant, Happy Giant, and Jahre Viking. The 1979 built old lady, with her 458 meters (1504 feet) in length, 69 m (226 ft) in width and 83,000 tons of steel, is the largest ship ever built in the world. The illustration below set the size of Knock Nevis in perspective with the world’s most famous and tallest building.
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