这些现代欧亚混血儿的早期祖先分散到世界各地，那里有更多的季节性日照和更低水平的太阳辐射。
These early ancestors of modern Eurasians disperse into parts of the world that had more seasonal sunshine and much lower levels of sun radiation.
想象这样的一个世界：建造最高的摩天大厦不再是一场高度竞赛，而是一个关于能储存太阳能更多的竞赛。
Imagine a world where building the tallest skyscraper wasn't a race of height, but rather one to collect the most solar energy.
随着太阳能电池板变得更加便宜，这个世界有可能会看到更多被太阳能电池板覆盖的摩天大楼，像树一样收集能源。
As solar panels get cheaper, the world is likely to see more skyscrapers covered in solar panels, collecting energy much like trees do.
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