Tears streaked the faces of Jhony Ramos Sr. and Mercedes Lemos soon after arriving Thursday afternoon outside of the evacuation zone perimeter butting against Esparto. About a mile south — at a rural corner lot since flattened by Tuesday’s calamitous explosions at a fireworks storage facility — laid the place where their missing sons and grandsons, respectively, were last known to be. “There is nothing,” Lemos told reporters in Spanish when asked what the family had been told by authorities.