Lighthouse, a major breakthrough in human navigation technology. Ever since the
lighthouse, voyage of the ship you can find the distance to the city's location,
positioning themselves on the route coordinates, greatly improving the safety of
navigation. Most are similar to the lighthouse tower shape, the lens system through the
top of the tower, will shine light fired at sea. When the power is not popular, often as a
source of fire. The original navigation equipment in the past, is the top of the hill or
cliff lit the flame lighting. As the modern navigation equipment has been very advanced,
the number of people significantly reduce operating lighthouse, the world only 1,500 still
operating the lighthouse. Lighthouse used to mark dangerous coast, strategically located
and difficult access to a sandbar or reef, and the port channel.
In the United States, the lighthouse by the U.S. Coast Guard (US Coast Guard) to maintain.
In the UK, England and Wales by Sany Societies (Trinity House) managed by the Northern
Lighthouse Board of Scotland (Northern Lighthouse Board) management. In Ireland, the Irish
Light Committee (Commissioners of Irish Lights) management. In Canada, the Canadian coast
guard them from the police (Canadian Coast Guard) treatment. In Australia, the lighthouse
by the Australian Maritime Safety Authority (Australian Maritime Safety Authority) would
anticipate. In Taiwan, the Ministry of Finance of Maritime Affairs Directorate General of
Customs administration. History is undoubtedly the most famous lighthouse in Alexandria,
Egypt, across the island of Pharos Lighthouse of Alexandria. Pharos island's name is still
in many European languages the meaning of the lighthouse.