We are leaving the River Thames behind and descending deep underground into London's newest mega structure.

我们将离开泰晤士河，深入地下，进入伦敦最新的巨型建筑。

It looks like people living in this futuristic mega- structure will have to face a kind of total isolation in this large, luxurious, and self-sufficient but, nonetheless, confined space.

看来，住在这个未来的巨型建筑里的人们将不得不在这个巨大的、豪华的、自给自足的但仍然有限的空间里面对一种完全孤立的状态。