Given that the expense of urban land suggests that all land will be put to human uses, perhaps the best way to keep a little space for the natural world is simply to allow it to creep up the walls.
在都市土地寸土寸金的現況下，如果大部分土地都要被人類利用，那麼讓綠意垂直走「上」建築物，也許是一個為自然留下空間的最佳折衷方案。建築物牆面綠化工法比較