Passage below ground

This crossword clue is for the definition: Passage below ground.
it’s A 20 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Passage below ground crossword” or “Passage below ground crossword clue”. The possible answerss for Passage below ground are listed below.

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Possible Answers: TUNNEL.

Last seen on: Irish Times Simplex – Jan 12 2021