Turkish group STFA has announced the completion of the first tunnel below the famous strait, which will be used to transport 3 million cubic metres of drinking water from springs in Anatolia to the chaotic and overcrowded European side of Istanbul. The Turkish megalopolis now has a population estimated to be around 15 million.
The tunnel was drilled in 1,200 days at a depth of 145 metres, Hurriyet news reports. The third bridge over the Bosporus will be built by the consortium of the Italian firm Astaldi and the Turkish company Ictas.(ANSAmed).