![A boy stands in a classroom at his school after it was hit by a Saudi-led air strike in Yemen's capital Sanaa July 20, 2015.](/sites/default/files/multimedia_images_2016/2016-yemen-crisis-school.jpeg)
A boy stands in a classroom at his school after it was hit by a Saudi-led air strike in Yemen's capital Sanaa July 20, 2015.
© 2015 Reuters
A boy stands in a classroom at his school after it was hit by a Saudi-led air strike in Yemen's capital Sanaa July 20, 2015.