The world 's spectacular infrastructure projects . Turkey is often seen as the link between Europe and Asia -- now a tunnel will connect the two continents . The Marmaray link is 76-kilometers long and has cost $ 4.5 billion . It is part of the government 's ambitious plan to boost the country 's economy . Prime Minister Erdogan may , however , face public opposition to his investment drive .
Turkey is often seen as the link between Europe and Asia -- now a tunnel will connect the two continents . The Marmaray link is 76-kilometers long and has cost $ 4.5 billion . It is part of the government 's ambitious plan to boost the country 's economy . Prime Minister Erdogan may , however , face public opposition to his investment drive .