Third Tunnel Of Aggression
The Third Tunnel of Aggression (Korean: 제3땅굴) (Third Infiltration Tunnel or 3rd Tunnel) is one of four known tunnels under the border between North Korea and South Korea, extending south of Panmunjom. Background Only from Seoul, the incomplete tunnel was discovered in October 1978 following the detection of an underground explosion in June 1978, apparently caused by the tunnellers who had progressed under the south side of the Korean Demilitarized Zone (DMZ). It took four months to locate the tunnel precisely and dig an intercept tunnel. The incomplete tunnel is long, of maximum high and wide. It runs through bedrock at a depth of about below ground. It was apparently designed for a surprise attack on Seoul from North Korea, and could, according to visitor information in the tunnel, accommodate 30,000 men per hour along with light weaponry. Upon discovery of the third tunnel, the United Nations Command accused North Korea of threatening the 1953 Korean Armistice Agre ...
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Korean Language
Korean ( South Korean: , ''hangugeo''; North Korean: , ''chosŏnmal'') is the native language for about 80 million people, mostly of Korean descent. It is the official and national language of both North Korea and South Korea (geographically Korea), but over the past years of political division, the two Koreas have developed some noticeable vocabulary differences. Beyond Korea, the language is recognised as a minority language in parts of China, namely Jilin Province, and specifically Yanbian Prefecture and Changbai County. It is also spoken by Sakhalin Koreans in parts of Sakhalin, the Russian island just north of Japan, and by the in parts of Central Asia. The language has a few extinct relatives which—along with the Jeju language (Jejuan) of Jeju Island and Korean itself—form the compact Koreanic language family. Even so, Jejuan and Korean are not mutually intelligible with each other. The linguistic homeland of Korean is suggested to be somewhere in ...
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Sedimentary Rock
Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles to settle in place. The particles that form a sedimentary rock are called sediment, and may be composed of geological detritus (minerals) or biological detritus (organic matter). The geological detritus originated from weathering and erosion of existing rocks, or from the solidification of molten lava blobs erupted by volcanoes. The geological detritus is transported to the place of deposition by water, wind, ice or mass movement, which are called agents of denudation. Biological detritus was formed by bodies and parts (mainly shells) of dead aquatic organisms, as well as their fecal mass, suspended in water and slowly piling up on the floor of water bodies (marine snow). Sedimentation may also occur as dissolved minerals precipitate from ...
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1978 In South Korea
Events from the year 1978 in South Korea. Incumbents *President: Park Chung-hee *Prime Minister: Choi Kyu-hah Events Births * 3 February - Chae Ri-na, singer * 7 February - Jeong Hyeong-don, comedian and television host * 24 February - Gary, rapper, songwriter, record producer, entrepreneur, and television personality * 3 March - Seomoon Tak, rock singer * 14 March - Moon Hee-joon, singer-songwriter * 5 April - Sohyang, singer * 6 April - Chun Myung-hoon, singer, rapper, actor and television presenter * 8 May - Jang Woo-hyuk, singer and rapper * 2 June - Yi So-yeon, astronaut and biotechnologist * 7 June - Tony An, singer * 8 June - Eun Ji-won, rapper and singer * 1 July - Woo Sun-hee, handball player * 25 August - Jo Jung-chi, singer-songwriter * 10 December - Chae Yeon, singer * 20 December - Yoon Gye-sang, actor and singer See also *List of South Korean films of 1978 *Years in Japan *Years in North Korea References South Korea Years of the 20th century in South ...
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1978 In North Korea
Events from the year 1978 in North Korea. Incumbents *Premier: Li Jong-ok * Supreme Leader: Kim Il Sung Events Date unknown * The North Korean government kidnaps Romanian painter Doina Bumbea. Births * 23 January - Sin Yong-nam. * 9 August - Han Jong-in. * 16 August - Ri Kum-suk. * 19 September - Kim Hyang-mi. * 29 September - Mun In-guk. See also *Years in Japan *Years in South Korea References North Korea 1970s in North Korea Years of the 20th century in North Korea North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...

Tunnels In South Korea
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations. Utility tunnels are used for routing steam, chilled water, electrical power or telecommunication cables, as well as connecting buildings for convenient passage of people and equipment. Secret tunnels are built for military purposes, or by civilians for smuggling of weapons, contraband, or people. Special tunnels, such as wildlife crossings, are built to allow wildlife to cross human-made barriers safely. Tunne ...
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