The walls of the hallway dipped and rippled.

As the walls of the Bridge rippled, he pulled himself back inside.

Bere went in front of him through an arch of stones whose walls rippled unexpectedly with wavering light.

These lay against the fabric and rang in low and charming unison, like wind-chimes, when the walls rippled.

Around her, silver and grey walls rippled as if water was flowing down them, yet there was no sound, no dampness in the air.

The walls, also silk, rippled like sails in a faint breeze.

The walls of the tent rippled in the momentary breeze, and stopped moving.

An instant later, the wall flowed and rippled and formed an arched opening wide enough to admit one person at a time.

The wall beside Sharrow rippled as the gun roared.

Voyager's clean gray walls rippled into being around them on the scent of fresh, humidified air.