Japan–Korea Undersea Tunnel at about ₩100 trillion (approx. US$90 billion), which would produce an extremely low benefit-to-cost result. In 2014, the South Korean Busan Development Institute estimated the undersea tunnel could create ₩54 trillion won (원54T, or US$53 billion) in economic benefits and provide about 45,000 jobs. In an April 2009 editorial, former Justice Ministers Daizō Nozawa of Japan and Kim Ki Chun of South Korea remarked on some of the similarities of the proposed Japan–Korea tunnel to the world's present longest undersea tunnel. The Channel Tunnel runs for 50.45 km linking the United Kingdom and France, and opened in May 1994: At
Channel Tunnel against another German attack. The French did not take the idea seriously, and nothing came of Lloyd George's proposal. In the 1920s Winston Churchill was an advocate for the Channel Tunnel, using that exact nomenclature in an essay entitled "Should Strategists Veto The Tunnel?" The essay was published on 27 July 1924 in the "Weekly Dispatch", and argued vehemently against those that believed the tunnel could be used by a Continental enemy in an invasion of Britain. Churchill extolled his enthusiasm for the project again in an article for the "Daily Mail" on 12 February 1936, "Why Not A Channel