Advancing armies have tried and failed on numerous occasions throughout history to breach its near-impregnable defences, so what chance does the average punter have, you may ask? Well, as it turns out, there are at least a dozen ways to gain free entry into Edinburgh Castle - and not one of them requires a siege engine or a battalion of angry musketmen..
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We kick off with West Riding County Cup action at Elland Road as Brian Caswell battles for the ball.
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Bob Hazell, who was on trial with the Whites after being released by Leicester City, in action.
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Andy Ritchie was on the scoresheet that day along with strike partner Keith Edwards who bagged a brace.
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Keith Edwards fires towards goal in front of 13,334 at Elland Road. The Whites took the three points thanks to goals from Ian Baird and John Sheridan.