How to use "banks" in a sentence

There was a grand ancient building on the banks of a river behind her.

Regulations on banks and real estate agents and on everyone else - except casino owners - are less troublesome here than in other states, which takes a burden off everybody, but which is especially attractive to people trying to spend and invest dirty cash

Fluorescent tubes shed cold light over banks of computers and over worktables laden with journals, charts, file folders, scientific instruments, and two coffee mugs.

And since the banks are closed for the holiday, we couldn't do anything until next week