A groundbreaking ceremony on Saturday for the world's tallest building in Changsha was greeted with praise from some mainland architects - and brickbats from others.
Some held serious safety concerns about the skyscraper, but others hailed it as a revolutionary work of prefabricated urban landscape.
The more than 200-storey structure will tower 838 metres above the Hunan provincial capital and be made entirely of factory-made modules that will be assembled by workers in seven months.
Yin Zhi , a professor of architecture at Tsinghua University and a senior adviser to the central government on urban planning, said that while "prefab" houses were common, a prefab skyscraper was "insane".
His biggest worry was safety. "What about wind? Or earthquakes? Or a fire?" he asked.
Broad Group, the developer, has been tight-lipped about the building, saying its structure was a trade secret, Yin said.
Broad released a 15-page presentation of the project on Saturday, saying that the building's structure had been tested in three wind tunnels on the mainland.
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Some held serious safety concerns about the skyscraper, but others hailed it as a revolutionary work of prefabricated urban landscape.
The more than 200-storey structure will tower 838 metres above the Hunan provincial capital and be made entirely of factory-made modules that will be assembled by workers in seven months.
Yin Zhi , a professor of architecture at Tsinghua University and a senior adviser to the central government on urban planning, said that while "prefab" houses were common, a prefab skyscraper was "insane".
His biggest worry was safety. "What about wind? Or earthquakes? Or a fire?" he asked.
Broad Group, the developer, has been tight-lipped about the building, saying its structure was a trade secret, Yin said.
Broad released a 15-page presentation of the project on Saturday, saying that the building's structure had been tested in three wind tunnels on the mainland.
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