Ukraine claimed responsibility after explosions hit the vessels on Friday and Saturday.
Turkey opened the world's first underwater rail link between two continents on Tuesday, connecting Asia and Europe and allowing Prime Minister Tayyip Erdogan to realise a project dreamt up by Ottoman sultans more than a century ago.
For a city that has a timeless spirit to it, one can probably spend an eternity here, says Lakshmi Sharath.
Boji, an Istanbul street dog, sometimes travels up to 30 km a day -- hopping between the metro, the ferries, the buses and the trams.
Those killed include 41 police officers, 47 civilians, 2 soldiers, 104 coup plotters.