skyscraper

“It’s not easy, you know, to see all this,” said Faten, referring to the gleaming skyscrapers, eight-lane highways and exclusive neighborhoods.

When engineers design a skyscraper, they ignore individual molecules in the steel.

The resulting dust storms, some of them taller than skyscrapers, buried homes whole and blew as far east as Washington.

Someday, these generators might produce energy in shadowy spots between skyscrapers, he says, or even indoors.