TOPSHOT - People enjoy refreshing water of a fountain in the Unisphere fountain at Flushing Meadow Corona Park in the borough of Queens on July 21, 2019 in New York City. - The US is sweating through a weekend of extremely hot weather, with major cities including New York and Washington bracing for temperatures close to or exceeding 100 degrees Fahrenheit (38 degrees Celsius). (Photo by Johannes EISELE / AFP)