8-Story Antigravity Forest Facade Takes Root

The vertical garden at the Athenaeum, which is eight stories tall, has 260 plant species and more than 12,000 plants. Eighty percent of the plants at the Athenaeum are evergreen; 20 percent are seasonal. They are planted according to environmental demands — those that need more sun, for example, go up top. Ferns go below, where there’s more shade.

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