After only two days at the concentration camp, his father was also killed.

He never knew his father, who died in a concentration camp.

The land around the island had once been a concentration camp.

That's the only way you know anyone in a concentration camp.

"Did you ever know anyone in a concentration camp who didn't come back?"

Just a few days earlier, we'd seen a concentration camp.

Her father died in a Japanese concentration camp when she was one year old.

"You can get us into this concentration camp of a country?"

Would you bring your child to a concentration camp or to a prison?

His parents had killed themselves rather than face slow death in a concentration camp.