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Another escape route through the sewers was undertaken by Flt Lt Dominic Bruce, dubbed 'the most ingenious escaper of the war' after his 17 attemped bids for freedom.
Remarkable rare photos which document life and the repeated escape attempts inside the infamous Colditz PoW camp have sold for over £7,000.
They show the ingenuity of the Allied prisoners who devised ever-bolder ways to break-out from the German castle during World War Two.
There are images taken outside the walls of the fortress showing a long bedsheet robe dangling from a top floor window PoWs had attempted to slide down to escape.
An incredibly life-like dummy the men held up amongst them to trick the guards into believing an escaper was still with them during parade also features.
The album of 663 photos sparked a bidding war when it went under the hammer with auctioneer Warwick & Warwick - achieving four times the pre-sale estimate.