Lapatilla
Rescue workers prepare to search for victims at the headquarters of state-owned Mexican oil giant Pemex in Mexico City on January 31, 2013, following a blast inside the building. An explosion rocked the skyscraper, leaving up to 25 dead and 101 injured, as a plume of black smoke billowed from the 54-floor tower, according to official sources. AFP PHOTO / YURI CORTEZ