| 摘要 |
A tall building provides thousands inhabitants with normal life and business conditions including autonomous sources of energy and water; shelters in the occurrence of natural or manmade disasters; and swift direct escape into the shelter from each office or apartment. The building consists of three coaxial towers, an external residence/business tower, a middle safety tower and a central energy tower. Two giant water basins are installed on top and under the building and the primary energy source is solar. There is a water and energy reserve in the form of basins with hydroelectric turbines in the central tower. The radial apartments and offices have external windows admitting daylight with internal armed doors. A spacious community shelter surrounds the internal and middle towers. The building is most effective at a height of about >200 m.
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