A tripoint, trijunction, or triple point (also, if inexactly, known as a tri-border area), is a geographical point at which the borders of three countries or subnational entities meet. There are currently 157 international tripoints (i.e., tricountry points) by some accounts, and as many as 176 (or even 207) by others. Nearly half of…
In geography, a confluence is the meeting of two or more bodies of water. Known also as a conflux, it refers either to the point where a tributary joins a larger river, called the main stem, or where two streams meet to become the source of a river of a new name, such as…
Hong Kong – Photograph by CHENSIYUAN A high-rise is defined as a structure at least 35 meters (115 feet) or 12 stories tall. Below is a list of the 25 cities with the most high-rise buildings in the world. The complete list of cities around the world with at least one hundred high-rise…
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