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.
Passionate about all things Australian. Lighthouses are found along the eastern and western coastlines of continents such as America, Australia, Africa, Asia and Europe. They are typically found where there are hidden rocks and reefs on which ships could be wrecked.They are found on jutting headlands and peninsulas and wherever the seascape poses danger to ships.hey are typically found where there are hidden rocks and reefs on which ships could be wrecked. They are found on jutting headlands and peninsulas and wherever the seascape poses danger to ships.