THAMESBARRIER

London's flood protection system (6,7)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,676 — 2023-10-16 23:00:09
  3D: Controller of London water (6,7)
• Quick crossword No 16,549 — 2023-05-21 23:00:39
  6D: London's flood protection system (6,7)