Drilling through rock is child’s play compared with the challenging conditions construction workers face as they extend the tram line from Linz to Leonding in Austria.

Daily traffic jams are creating chaos for commuters struggling to get around the north Austrian city of Linz, with work on the extension of one of its main tram lines turning the city into a construction site. The deadline for completion of the tunnel linking Linz railway station to Harter Plateau in Leonding in Autumn 2011 but there is still much to be done before then. Once completed, traffic woes will be a thing of the past as it will take just ten minutes to travel from Harter Plateau to the centre of Linz on Tr

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