Allies carry out day and night attacks on German strongholds.
Aerial views of Hamburg devastated by bombs. Germany.
Aerial shots of Siegfried Line and badly bombed town or city.
RAF bombers drop bombs on German targets.
Night air raid of Essen, Germany.
Royal Air Force bombs Cologne in Thunderbolt raids.
Intensified air raids on Germany.
Night and day bombing raids on Dresden by British and American air force.