The Cage
From Tardis Wiki, the free Doctor Who reference
The Cage as seen through van Statten's security monitor.
The Cage was an area located within Henry van Statten's installation known as 'the Vault'. Within the Cage held a chained a Dalek (dubbed the "metaltron") that Van Statten had acquired. (DW: Dalek)
Van Statten claimed "nothing can escape the cage".
