Inspired by a 40-year-old gold theft

Love is like a high prison wall, sang Spandau Ballet in their hit song Gold.

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Coincidentally, it was released in 1983, just a few months before the Brink's-Mat robbery took place, during which thieves stole gold — in the form of bullion — as well as diamonds and cash now worth an estimated £111 million from a facility at Heathrow International Trading Estate in London. Described at the time as 'the crime of the century,' it remains one of the biggest hauls in British history.