Each  of these massive concrete segments features a service tunnel that all connect back to  land, allowing access for inspections.

这些巨大的混凝土部分中的每一个都有一个服务隧道，所有这些隧道都连接回陆地，允许进行检查。

Shenzhen is now left with some massive concrete structures that are nearing the end of their relatively short lifespans and there's only two options left: demolition or regeneration.

现在，深圳留下了一些大型混凝土建筑，它们的寿命相对较短，已接近尾声，只剩下两种选择：拆除或重建。

And I remember one particular day, sitting in a windowless room, in massive concrete buildings, and talking with colleagues about how this particular wind technology, or solar, or battery technology could solve climate, if only we had enough resources.

我还记得某一天，我坐在一个没有窗户的房间里，在巨大的混凝土建筑里，和同事们谈论这种特殊的风能技术、太阳能或电池技术如何解决气候问题，前提是我们有足够的资源。