OSTFILDERN, GERMANY - DECEMBER 12, 2013: Heavy tunnel digging machinery loaded on a flatbed trailer is carried to the construction site of Stuttgart 21 on December 12, 2013 in Ostfildern-Scharnhausen
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OSTFILDERN, GERMANY - DECEMBER 12, 2013: Heavy tunnel digging machinery loaded on a flatbed trailer is carried to the construction site of Stuttgart 21 on December 12, 2013 in Ostfildern-Scharnhausen