fiercest bombing The Blitz http://www.bbc.co.uk/history/events/the_blitz Picture source heavy bombing raids The Blitz http://www.bbc.co.uk/history/events/the_blitz the Blitz BBC History Blitz London Blitz the blitz Blitz BBC History-The Blitz BBC History http://www.bbc.co.uk/history/events/the_blitz The first reports of bomb damage BBC History-The Blitz http://www.bbc.co.uk/history/events/the_blitz The Blitz History: The Blitz Picture source The Blitz BBC History-The Blitz oleada de bombardeos The Blitz