The tower has not been used to store water since 1954.

The tower will be used for commercial and financial activities.

At one stage the tower was used as a prison.

Since the beginning of the 20th century, the tower has been used for radio transmission.

The tower used by the pilots was built in 1962.

The tower is sometimes used for open air Sunday worship.

By this time, the city had learned that the tower could be used to help with communications.

The tower was used for machine guns during the 20th century.

In the 19th century, the tower was used for scientific experiments.

Or the tower might have been used to spot animals for hunting.