What smart material could transform cities?
Self cleaning paint, heat repelling roofing, and self-repairing buildings all feature in a new post on This Big City. What other awesome materials could transform our cities?
哪些智慧材料能改變城市？
自動清潔塗料、阻熱屋頂、自行修復建築是《城事》新文章列舉的項目，各位是否知道其他能改變城市的智慧材料？
