A boy talks to his mother from a smartphone during the opening of classes at the San Juan Elementary School in metro Manila, Philippines on Monday, Aug. 22, 2022. Millions of students wearing face masks streamed back to grade and high schools across the Philippines Monday in their first in-person classes after two years of coronavirus lockdowns that are feared to have worsened one of the world's most alarming illiteracy rates among children. (AP Photo/Aaron Favila)