城市玻璃伞1980年,美国东北部佛蒙特州威努士基小城上空建成一座庞大的玻璃顶盖,顶盖呈伞状。它的最高处距离地面为67米。在阳光照射下,远远望去,犹如一把撑在城市上空的白伞,令人心旷神怡。这座小城市面积为880英亩,城内最高大厦达11层,在这样大规模城区里建一座玻璃盖,真不愧为天下第一大伞。这座巨型伞耗资340万美元,使用泡沫玻璃,伞架用金属制成,其间有60根尼龙绳串着伞面。绳子下 Urban glass umbrellas In 1980, a huge glass roof was built over the city of Venusky, Vermont, in the northeastern United States, and the roof was umbrella-shaped. Its highest point is 67 meters from the ground. In the sunlight, from afar, it looks like a white umbrella hanging over the city. It is refreshing. This small city covers an area of ​​880 acres, and the tallest building in the city is 11 stories. To build a glass cover in such a large city is really the largest umbrella in the world. The giant umbrella cost US$3.4 million and uses foam glass. The umbrella stand is made of metal. During this period, 60 nylon ropes strung over the canopy. Under the rope