At a very young age, he developed a strong interest in the fine arts while working with his grandfather on commercial signs.

Strict rules control the size and shape of commercial signs.

Billboard designers can make this approach work, and perhaps a commercial sign would have worked better here.

But such commercial signs continue to go up in the protected zone.

"Already the commercial signs are such that it won't."

And there are commercial signs all over the place.

The commercial signs call out to no one in particular.

"People don't recognize how extraordinary these buildings are because of the commercial signs that cover them up," he said.

This law had restricted the use of commercial signs written in languages other than French.

The principle of edge-lighting was discovered early and used for commercial signs.