The damaged clock tower of Finale Emilia, Italy, May 20, 2012. A magnitude 6 earthquake shook northern Italy early May 20, killing at least four people. (AP Photo/Gianfilippo Oggioni, Lapresse)
A volunteer ropes off the area surrounding a collapsed building in Finale Emilia, northern Italy after a quake hit northern Italy May 20, 2012. (AP Photo/Marco Vasini)
A woman holds her head in despair in Finale Emilia northern Italy, May 20 2012. AP Photo/Marco Vasini
An Italian firefighter stands among rubble and destroyed cars in Modena, Italy, May 20, 2012.