Teachers carry chairs and documents out of a damaged school building after a tornado struck the neighborhood of Billa de Fuente in Piedras Negras, Mexico.

• 日墨西哥皮那德拉斯·内格拉斯,当地遭受龙卷风袭击后,老师从被毁坏的校舍内拿出椅子和办公文件。