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.
Cape Meares Lighthouse. At just 38 feet tall, Cape Meares is the shortest lighthouse on the Oregon Coast. It is located 10 miles west of Tillamook, in Cape Lookout State Park. Sitting 217 feet above sea level, Cape Meares was built in 1890 and decommissioned in 1963. The lighthouse still houses its original first-order Fresnel lens.