Santas trained by Ministry Of Fun's Santa School attend a taste test of Iceland's Luxury Mince Pies in London on November 24, 2024. (Photo by Jack Hall/PA Media Assignments)

Engine driver Josef Kowatsch (top L) steers a train through the NEAT Gotthard Base Tunnel during a media visit near the town of Erstfeld August 24, 2015. Crossing the Alps, the world's longest train tunnel should become operational at the end of 2016, consisting of two parallel single track tunnels, each of a length of 57 km (35 miles). (Photo by Arnd Wiegmann/Reuters)