Howrah Bridge, Kolkata.

Howrah Bridge connects the cities of Kolkata and Howrah across the Hooghly River
and carries a daily traffic of 150,000 vehicles and 4,000,000 pedestrians.

In 1965 it was renamed Rabindra Setu.

Its predecessor was a floating pontoon bridge created in 1874
which was opened every night to let ships through.

Construction of a new Howrah Bridge was started in 1937 and was completed in 1943.

Howrah Bridge is one of the finest cantilever bridges in the world and is said to be the busiest brige in the world.

Source: Wikipedia.