by franky242
OSTFILDERN-SCHARNHAUSEN, GERMANY - DECEMBER 12, 2013: A heavy tunnel digging machinery is loaded on a flatbed trailer and carried to the construction site of Stuttgart 21 at night on December 12, 2013 in Ostfildern-Scharnhausen near Stuttgart, Germany. S21 is one of the most expensive and controversial railway projects ever with regular demonstrations against the plans to move the existing station underground going on.