It looks at the territory of the United States as if it were a wheat field that is procured by the winds and that is really giving you a pictorial image of what's going on with the winds in the United States.
这地图是根据美国版图做的。 仿佛它又像被风吹拂的小麦田。 不过它确实展现给你一幅图案形象， 关于美国的风正在吹向哪里。