You need to specify which city you are referring to as several cities have an island in the middle of a river.
venice
Raiders of the River - 1956 is rated/received certificates of: UK:U
The question is referring the Notre Dame Cathedral.
The city of Cork is built near the mouth of the river Lee. The river splits, forming an island on which some of the city is built, and then rejoins, continuing its way out to the Atlantic Ocean on the south coast of Ireland.
From the beginning. The B&O was built from Baltimore toward the Ohio river, and it was just the first one.
over the Niagara River
Spain is built on the river Thames.
The river is natural and not built
It is a natural river, no one built it
Rivers are not built by men, though sometimes rivers are dredged to make them more navigable. The Seine was always there. Paris was built on a strategic island in the river about 2,000 years ago and then spread to both banks.
the seine is a natural river it wasnt 'built'