San Marcos Viaduct in Mexico, built by FCC, the second-tallest viaduct in the world
READ MOREFCC has finished building the piers for San Marcos Viaduct. Pier number 4, which towers a dizzy 208 metres in height, makes this the second-tallest viaduct in the world, nodding only to Millau Viaduct in France.
The viaduct stands on the highway between Mexico City and Tuxpán, in the section between Nuevo Necaxa and Ávi...