A construction site of German construction company Hochtief is seen in downtown Hamburg, February 26, 2013. German builder Hochtief swung to a pretax profit in 2012 from a loss in the previous year, helped by one-time gains from asset divestments in Chile and Australia. Hochtief disclosed on Thursday a pretax profit of 546.4 million euros ($716.3 million), compared with a loss of 127 million in 2011. Its net profit reached 158.1 million euros in 2012, compared with a loss of 160 million in 2011. Picture taken February 26, 2013. REUTERS/Fabian Bimmer (GERMANY - Tags: BUSINESS CONSTRUCTION)