He pressed against the resistance of the protective wall, then passed through.

Just looking at her, Jack felt the protective wall he'd been building around himself begin to tumble down.

He also made the city much larger and built a new protective wall.

A keep and a protective wall would usually be built on top of the motte.

Peering over a protective wall, visitors can see the river 150 feet below.

A government engineer visited the town and drew up a plan for a protective wall.

The town was guarded by a castle, but had no protective wall.

Other Seekers tried to form a protective wall in front of the circle.

A protective wall extended for about a mile around the town.

She had put up a protective wall around herself and would hit out at anyone who tried to break through.