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The Aletsch Glacier (German: Aletschgletscher) or Great Aletsch Glacier (German: Grosser Aletschgletscher) is the largest glacier in the Alps. It has a length of about 23 km (14 mi) and covers more than 120 square kilometres (46 sq mi) in the eastern Bernese Alps in the Swiss canton of Valais. The Aletsch Glacier is composed of three smaller glaciers converging at Concordia, where its thickness is estimated to be near 1 km (3,300 ft)...

The Lowline, formally known as the Delancey Underground, is a proposal for the world's first underground park in the New York City borough of Manhattan that would be located under the eastbound roadway of Delancey Street on the Lower East Side, adjacent to the Essex Street station (J M Z trains)...

When the Eiffel Tower opened in 1889 to universal wonder and acclaim, designer Gustave Eiffel soaked up the praise, but as if that wasn't enough, it was soon revealed that he had built himself a small apartment near the top of the world wonder garnering him the envy of the Parisian elite in addition to his new fame. Located on the third level of the tower, Eiffel's private apartment was not large, but it was cozy...

A city is a relatively large and permanent settlement. Although there is no agreement on how a city is distinguished from a town within general English language meanings, many cities have a particular administrative, legal, or historical status based on local law. For example, an article of incorporation approved by the local state legislature distinguishes a city government from a town in Massachusetts...

World is a common name for the whole of human civilization, specifically human experience, history, or the human condition in general, worldwide, i.e. anywhere on Earth. In a philosophical context it may refer to: (1) the whole of the physical Universe, or (2) an ontological world (world disclosure). In a theological context, world usually refers to the material or the profane sphere, as opposed to the celestial, spiritual, transcendent or sacred...

Tower Bridge (built 1886-1894) is a combined bascule and suspension bridge in London, England, over the River Thames. It is close to the Tower of London, from which it takes its name. It has become an iconic symbol of London. The bridge consists of two towers tied together at the upper level by means of two horizontal walkways, designed to withstand the horizontal forces exerted by the suspended sections of the bridge on the landward sides of the towers...

A power station (also referred to as a generating station, power plant, or powerhouse) is an industrial facility for the generation of electric power. At the center of nearly all power stations is a generator, a rotating machine that converts mechanical energy into electrical energy by creating relative motion between a magnetic field and a conductor. The energy source harnessed to turn the generator varies widely...

Le Passage de Gois ou Gôa is a natural, periodically flooded passage leading to the island of Noirmoutier in France. It is located between Île de Noirmoutier and Beauvoir-sur-Mer, in the department of Vendée. It is flooded twice a day by the high tide. Every year, a foot race – the Foulées du Gois– is held across it, starting at the onset of the high tide. Tour de France In 1999 Passage du Gois was used by Tour de France bicycle race during Stage 2...

Iran (/ɪˈrɑːn/ Persian: ایران‎), officially the Islamic Republic of Iran (Persian: جمهوری اسلامی ایران‎ Jomhuri-ye Eslāmi-ye Irān), is a country in Southern and Western Asia. The name "Iran", which in Persian means "Land of the Aryans", has been in use natively since the Sassanian era. It came into use internationally in 1935, before which the country was known to the Western world as Persia ( /ˈpɜrʒə/ or /ˈpɜrʃə/)...

During the final stages of World War II in 1945, the United States conducted two atomic bombings against the cities of Hiroshima and Nagasaki in Japan, the first on August 6, 1945 and the second on August 9, 1945. These two events are the only use of nuclear weapons in war to date. For six months before the atomic bombings, the United States intensely fire-bombed 67 Japanese cities...

The Philippines (Filipino: Pilipinas), officially known as the Republic of the Philippines (Filipino: Republika ng Pilipinas), is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam. The Sulu Sea to the southwest lies between the country and the island of Borneo, and to the south the Celebes Sea separates it from other islands of Indonesia. It is bounded on the east by the Philippine Sea...

Boston is the capital and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had a 2009 estimated population of 645,169, making it the twentieth largest in the country. Boston is also the anchor of a substantially larger metropolitan area called Greater Boston, home to 4...