The Knowledge is back! Applications for 'world's toughest taxi test' triple in two years from wannabe cabbies still desperate for the prestige of being a black cab driver even in an age of satnav
The challenging exam, which was introduced in 1865, requires drivers to memorise 25,000 streets across London and 100,000 landmarks within a six-mile radius of Charing Cross.
Source: dailymail.co.uk