Glass was used between the frames to let in light.

At the end of it a big window let in light.

They have window openings to let in light, and a floor.

The circles of glass would have let in light, but it was dark outside.

The lower the number, the larger the hole letting in light.

Small glass windows at the back of the ground level exhibition space let in natural light.

Let in enough light for a new tree or two.

Jack half closed them, letting in enough light still to see.

No one was about to leave a tent open enough to let in light from outside.

We did have some limbs removed to let in light.