Concorso Ricercatore di Geologia Applicata a Firenze
Titolo: Research Shows San Andreas Fault May Be Overdue For Large Earthquake
Descrizione: CALIPATRIA, CA - JULY 30: on June 30, 2011 near Calipatria, California. (Photo by David McNew/Getty Images)
Crediti immagine: David McNew - © 2011 Getty Images
Scattata con: Canon EOS-1D Mark III