TOPSHOT - The sun sets behind the skyline of midtown Manhattan on July 21, 2019 in New York City. - The United States sweltered in dangerously hot weather on July 21, with major cities including New York, Philadelphia and Washington broiling in temperatures that rose into triple digits. An oppressive heat wave stretching from the Midwestern plains to the Atlantic coast had nearly 150 million people struggling to stay cool in stifling heat that set records in a handful of states. (Photo by Johannes EISELE / AFP)