Real Madrid, one of the world’s best-known football clubs, is also one of the richest. Much of that money goes on star players, as the team strives – with mixed results so far this season – to live up to its exalted reputation.

But not all the money is frittered away on stratospheric transfer fees and sports cars for the galácticos – Real Madrid’s star players. The club is also spending heavily on technology to equip its famous Bernabéu stadium with the latest communications, entertainment and security systems.