An airplane flies over repaired electrical lines in Guaynabo, Puerto Rico, Tuesday, May 29, 2018. Despite the billions plowed into the grid since Hurricane Maria hit on Sept. 20, 2017, Puerto Rican officials warn that it could take far less than a Category 4 storm like Maria to cause a blackout like the one that persists today, with some 11,820 homes and businesses still without power. (Photo by Ramon Espinosa/AP Photo)
