How did London's commuters get to work during the blitz? A propaganda film from 1941 says, blitz? What blitz? Everything's normal down here.
Through a locked gate, down a road past more locked gates, and here on the edges of London is a grand building which played a very secretive role during WW2.
If you were talking a wander through a nature reserve in North London one day, you might notice a rather shabby looking concrete hut peeking out of the bushes.
Deep under a housing estate in North London lies one of World War Two’s greatest secrets, the reserve Cabinet War Rooms that lay hidden and waiting just in case the (now) more famous Westminster bunkers were attacked.
Transport for London has secured planning permission to open up one of the WW2 bunkers dug deep under London for regular tours.
In 1938, as ideas were being made for the defence of London, plans were shown off to surround London with a massive "aerial mine-field" made from over a thousand deadly balloons.
Just after Christmas, the distinctive wail of an air-raid siren will once again echo out across the City of London.
The newish, and smallish Heritage Gallery inside London's Guildhall has put out a display of WW1 and WW2 maps and photos.
It's the evening of 14th October 1940, and one of the worst wartime disasters of the London Underground is about to take place.
It's 1942, and the air raid warnings are screaming. People in select parts of London hurry to their nearest tube station to take shelter.
In the post-war period when London had a surplus of rubble and empty spaces, an airport was planned in the docklands area with SIX runways.
TfL has confirmed that it plans to open up one of the WW2 deep-level shelters to the public more often, subject to being able to make some adjustments to the surface building.
As World War Two started to approach what seemed to be its final conclusion, city planners turned their minds to the aftermath, and the rebuilding of homes and factories damaged by wartime bombing.
Deep under the former RAF Uxbridge is a large military bunker built during WW2 that was used to oversee the Battle of Britain in the skies above.
As part of a range of upgrades just announced for the art-deco Eltham Palace, the WW2 bunker underneath the building is to be restored to its wartime appearance.
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