Military personnel remove debris from the site of an explosion at the headquarters of state-owned oil giant Pemex, in Mexico City

 
Military personnel remove debris from the site of an explosion at the headquarters of state-owned oil giant Pemex, in Mexico City
Military personnel remove debris from the site of an explosion at the headquarters of state-owned oil giant Pemex, in Mexico City February 3, 2013. REUTERS/Bernardo Montoya