Each time a city building is erected, the grass in that spot and trees that once reached up to the sky are replaced by a swath of asphalt or a tar roof.

• 每当建起一座城市高楼，那里曾经苍翠的草坪，和高耸入云的树木不见了，取而代之的是，一排排沥青柏油屋顶。