Luz Pratts, left, watches her daughters Karina, 11, Amarilys, 9, background, play with Laylana, 3, in an inflatable pool on the front porch as they keep cool in the West Kensington neighborhood of Philadelphia, Monday July 2, 2018. The National Weather Service has issued an excessive heat warning through Tuesday in the Philadelphia area with oppressive temperatures expect to last through the Fourth of July holiday. (Photo by Jacqueline Larma/AP Photo)
