London mayor Boris Johnson has proposed closing down Heathrow Airport and replacing it with a 24- hour airport in the Thames estuary, the Sunday Times reported recently. The airport, most likely to be located on an artificial island off Sheppey in Kent, would have four runways, but capacity for two more if required and would be connected to the Channel tunnel rail link. Johnson’s aides believe the scheme, loosely modelled on Hong Kong International Airport, could take just six … [Read more...] about London mayor proposes Heathrow shift