Level 4 Querying Challenge

Querying Directory
challenge level 4
Faroe Islands tunnel

    Some of the longest underwater tunnels in the world connect the FAROE ISLANDS.

    Answer this question: 'What keeps the deep sub-sea tunnels that connect the Faroe Islands from leaking?'

    If you convert the question to the query SUB-SEA TUNNELS FAROE ISLANDS LEAKING the answer is hard to find without browsing. Use that query and a little browsing to find a better keyword than LEAKING or LEAKAGE.