One of the most civilized urban designs is the square, where houses look onto a common garden or small park.
West Square in south London is an excellent example.
There is enough space for trees, benches and flower beds.
Here a mossy staircase rises towards a blank wall.
If one looks down one discovers basement window-box gardens.
The Imperial War Museum is alternately fascinating and chilling.
The exhibition The Children's War, brought to life the experience of British children between 1939-45. It's not on any more.
Here a suitcase packed with the clothing required for a little boy evacuated out of danger.
Aeroplanes are suspended from the ceiling and seen from the viewpoint of a civilian.
I met Lyn Smith whose book, Young Voices: British Children Remember the Second World War, published by Penguin, makes gripping reading.