Some examples of palliative radiation therapy are: 1  Radiation given to the brain to shrink tumors formed from cancer cells that have spread to the brain from another part of the body (metastases). 2  Radiation given to shrink a tumor that is pressing on the spine or growing within a bone, which can cause pain.
The Pharos (Lighthouse) of Alexandria. Built: About 270 B.C. Location: On ancient island of Pharos in harbor of Alexandria, Egypt History: Upon its completion, the Alexandria lighthouse -- commonly estimated to have been about 400 feet high -- was one of the tallest structures on Earth.
(Read the article on one page) The only still functioning Roman lighthouse stands in the north-west part of the Iberian Peninsula, in Galicia. It is called the Torre de HÃ©rcules - Tower of Hercules. When Julius Caesar arrived to Galicia in Spain in the year 61 BC, he understood the importance of this territory.