utorok, marca 10, 2009

Greenwich

Greenwich is set in park by the River Thames. It includes some of London’s most noble buildings, including the Queen’s House, the Royal Observatory and the Wren’s Royal Collage.
The old Royal Observatory in Greenwich was founded by Charles II in 1675. Nowadays there is a museum in Flamsteed house. If you go there, you will have the impression that Flamsteed and his wife still live there. There is food on the table, clothes and so on. The telescopes and time- measuring instruments are displayed there. The red ball on top of the tower still drops down at 1 P.M. each day. It allows Thames navigators to set their chronometers. The Gate clock measures Greenwich Mean Time. This time is standard time, which is set all round the world. The Greenwich Meridian is marked by a brass strip crossing the Observatory courtyard. This line divides the Earth between eastern and western hemispheres. If you stand on this line, you will be on both hemispheres in the same time.


The Thames Flood Barrier is s remarkable piece of engineering. This barrier protected London from being flooded. Ships pass between the gates in normal conditions. If the Thames surges, the protective barrier will block the river within 30 minutes.

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