This quiz was set about 20years ago and the theme is exits and entrances.
The closing date is end of February
Format is Initial letters for the answer followed by the clue.
S.C. His finest hour came laying his head on the block
M's C,I Entrance guarded by very drunken Scots porter
W-G Inlaid entrance, figuratively speaking.
I agree with you and Bookbinder Mammalynne, it is just the location which is, bugging me. Atlantis is supposedly in the Mediteranean, the 'wrong' side of Gibraltar