I t think that it would last long .... and I was right! The 1960's caper film is yours, sir!
You have my sympathy .... better luck next time!
Just for the record (and according to those nice people over at Wikipedia), these were what these locations were used for in the film:
The opening sequence of the film featuring Beckermann driving his Lamborghini Miura through The Alps was filmed on the Great St Bernard Pass, Aosta, Italy, with the opening scene featuring the Dardanelli Viaduct constructed in 1961.
The interior of the prison that held Bridger was Kilmainham Gaol in Dublin, Ireland. (As an aside, I took a tour of the prison some years ago and, when we walked into the hall where the long flight of stairs are, I thought: "I've been here!" .. but of course, I hadn't (honest, guv!) - I'd just seen it so many times in the film!)
Denbigh Close, Notting Hill, W11, was used as the location for Croker's (Michael Caine) home.
The attempt to blow the doors off the bullion van, which led to its destruction and Croker's famous line, took place at Crystal Palace Sports Centre.