They are in oil wells and the crevices of basalt deep within the earth.
There are sources of oil and basalt underground.
There are no natural resources underground.
A boy is playing in a pool.
I hid my weapons in a pit.
A man is piloting a small aircraft.
Cynthia vouched against us but we were set free.
Every country gives unlimited freedoms.
Open air sightseeing isn't recommended around lunch time.