Here's a metro one instead: www.metro.co.uk/news/article.html?Google_Earth%3a_We_havent_found_Atlantis&in_article_id=548725&in_page_id=34
the answer is sonar
(, Fri 20 Feb 2009, 12:32, Reply)
but I'm glad to see my scepticism was not unfounded.
(, Fri 20 Feb 2009, 12:35, Reply)