The first mass German air raid on London, during World War 2. Tower Bridge stands out against a background of smoke and fires. Sept. 7, 1940.
Blitz's poisonous legacy lives on in modern day London: The first mass German air raid on London, during World War 2. Tower Bridge stands out against a background of smoke and fires. Sept. 7, 1940.
(a) Number of bomb sites, (b) GM Pb (mg kg−1) 1km grid squares for sectors of the GLA with both soil chemistry and bomb site data underlain by Brickearth, River Terrace deposits or Thames Group clays