Gerber is separated from the rest of the passengers and taken to a secret underground laboratory.

In his underground laboratory, Henry has been perfecting a camera that will allow the blind to see.

Scientists said it would be a good site for an underground laboratory.

During the night, Tom worked furiously in the underground laboratory of the mine.

The group in the underground laboratory stared questioningly at one another.

It has an extensive underground military laboratory, storage, staging, and security complex.

He later suggests the creation of an underground laboratory for their research on the heart.

Both the mine and the underground laboratory are open for tours.

Nuclear development was carried out on the main level, as well as in underground laboratories.

He was working alone in his underground laboratory at Kether House.