| 摘要 |
The invention is modular unit and the arrangement of several modular units to surround a tree so as to permit and invite several of bicycles to be secured to them. The modular units are arranged so as not to allow sufficient space for placement of a bicycle adjacent to a tree. Another function of an arrangement of several modular units surrounding a tree is to protect the tree from impact with motor vehicles or from open automobile doors. The modules are best utilized to protect urban planted trees, thereby enhancing and preserving urban environments.
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