| 摘要 |
A building comprising (a) a rectangular central structure having a horizontal roof section, a floor section and at least one support for the roof section, (b) two roof extensions each pivotally attached on either side of the roof section with an offset hinge such that each can pivot from a first, horizontal position to a second, vertical position, wherein in the first position the two roof extensions are offset vertically relative to the roof section, and (c) two floor extensions each pivotally attached on either side of the floor section such that each can pivot from a first, horizontal position to a second, vertical position, wherein during transport or storage of the building, the two roof extensions and two floor extensions are each located in the second, vertical position, the floor extensions being located interior to the roof extensions.
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