Inside, blond technicians in goggles tease metres-long crystals out of vats of liquid silicon and slice them into the thinnest of wafers, to be used in solar panels.

• 在工厂里，戴着防护镜的金发技师们将大桶的液体硅加工成为数米长晶体物，并将这些晶体物切割成为最薄的晶片，最终用于制作太阳能电池板。