Mining shovels are seen inside Chile''s Esperanza open pit ...
Esegui il download di questa immagine stock: Mining shovels are seen inside Chile''s Esperanza open pit copper mine near Calama town, about 1,650 km (1,025 miles) north of Santiago, March 30, 2011. As workers prime crushing mills and tune heavy machinery in Chile''s desert north, the world''s only major new copper mine to be inaugurated this year hopes to cash in on what .