The wood formed an impenetrable screen, measuring several square miles, without a break or an opening.

Although the island couldn't have been more than half a mile wide, the sea had disappeared from view, lost behind a seemingly impenetrable screen of vegetation.

The spacesphere was already shrouded in the impenetrable screen of energy.

Paved walkways leading from the plaza ended in impenetrable screens of thom.

They wore practically impenetrable screen, so that they could lock to and hold even a super-dreadnought.

It was as if an impenetrable screen lay between them.

Rhodan had surrounded the bulwark with an impenetrable protective screen.

For within half an hour, tall impenetrable screens had been erected to shield the operations in progress.

The leaves and branches dropped back, forming an impenetrable screen behind which Zopinga waited.

Farther back within the domain, the vision is impeded by an impenetrable screen of foliage.