LONDON

12345
Across
  1. 3. element holding the wall of a cathedral in neo-gothic style
  2. 5. German bombing on Britain in WW2
Down
  1. 1. a word that refers to any infrastructure with a roof and a floor
  2. 2. A synonym for "roof" but inside a place
  3. 4. Place where Londoners hid during the WW2 bombings