He went to the main door and peered out into the corridor.

My office door was standing open and I peered out into the hallway.

After the two had gone, the girl peered out into the hallway.

She peered out into the darkness, but it was difficult to see anything very clearly.

Then he opened the door of the apartment and peered out into the hall.

He opened the door and peered out into the hall.

A man opened it and peered out into the street.

The man peered out into the night and rubbed his eyes.

Going to the window, he peered out into the black night.

She peered out into the corridor, but there was no sign of them.