Drilling work on the Eurasia Tunnel connecting Istanbul's European and Asian sides has been completed.
Total length of the tunnel will be 5.4km, of which 3.3km will run under the sea. At its deepest point, the tunnel will be around 106m deep, according to a report by Hurriyet newspaper.
Completion of the whole project is expected in the first quarter of 2017. The cost of the project amounts to some US$1.2 billion, of which $960 million has come from investment banks.
Upon completion, the tunnel wil