Then he saw that the lines were a metal grille, forming a backing to the window.

There was a metal grille there and he moved to it.

The shop window was tiny and covered by a metal grille.

Most places had metal grilles down over their doors anyway.

In anxious hope he peered out at the metal grille of the porch.

At the bottom of each column is a metal grille.

Now, access is restricted, and all the features are guarded by metal grilles.

Far above we could see daylight spearing through a metal grille.

The last tunnel finally came to an end in a rusted metal grille.

The two headlights behind metal grilles put out little light, but it was enough.