Today, over half of the world's seven billion inhabitants live in cities. 如今 地球上70亿人口中超过一半住在城市中
In shanghai, 3,000 towers and skyscrapers... 上海 20年间
And in 50 years, in a single lifetime, 在过去50年中 就是一代人的时间
Humankind found a way to tap into the energy buried deep in the earth. 人类发现了取得深埋于地下的能量的方法
From generation to generation in sweat, graft and toil, 从一代传到下一代
In an almost sacrificial ritual performed over and over. 一次次劳作 修整了土地
It resulted in the first surpluses... 它导致了第一次盈余