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Journalists stand beside rail tracks at the construction site in the NEAT Gotthard Base tunnel near Sedrun

Journalists stand beside rail tracks at the construction site in the NEAT Gotthard Base tunnel near Sedrun April 2, 2013. Crossing the Alps, the world's longest train tunnel should become operational at the end of 2016. The project consists of two parallel single track tunnels, each of a length of 57 km (35 miles) REUTERS/Arnd Wiegmann (SWITZERLANDBUSINESS TRAVEL - Tags: TRAVEL BUSINESS EMPLOYMENT CONSTRUCTION) - RTXY5OX