Once they arrive at Cardiff, fans will be marshalled under a crowd control queuing system - police are warning long waits can be expected.

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The queuing system used introduces a huge delay between downloading the app and actually being able to use it.

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These then morphed into "banks for bankers" - clearing houses which would mop up liquidity among the middle and upper classes and spread it through the private banking system (in the lobby of the Bank of England there is a nice painting of the English bourgeoisie queuing up at Threadneedle Street on Dividend Day by George Elgar Hicks).

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