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1983年秋,在设得兰群岛西北145公里的北海上,人们看见一个奇怪的場面:一个长50米、高12米的大型钢铁构筑物慢慢地沉入水中;两艘拖船在一旁观看,沒有参加工作。这个大型
In the autumn of 1983, in the North Sea 145 km northwest of Shetland Islands, one could see a weird scene: a large steel structure 50 meters long and 12 meters high was slowly sunk into the water; two tugboats watched side by side and did not participate jobs. This large