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A megatsunami is a very large wave created by a large, sudden displacement of material into a body of water.
A mansard or mansard roof is a multi-sided gambrel-style hip roof characterised by two slopes on each of its sides, with the lower slope at a steeper angle than the upper, and often punctured by dormer windows. The steep roofline and windows allow for additional floors of habitable space, and reduce the overall height of the roof for a given number of habitable storeys. The upper slope of the roof may not be visible from street level when viewed from close proximity to the building.
The Home Insurance Building was a skyscraper that stood in Chicago from 1885 to its demolition in 1931. Originally ten stories and 138 ft (42.1 m) tall, it was designed by William Le Baron Jenney in 1884 and completed the next year. Two floors were added in 1891, bringing its now finished height to 180 feet. It was the first tall building to be supported both inside and outside by a fireproof structural steel frame, though it also included reinforced concrete. It is considered the world's first skyscraper.
A jet bridge is an enclosed, movable connector which most commonly extends from an airport terminal gate to an airplane, and in some instances from a port to a boat or ship, allowing passengers to board and disembark without heading outside and being exposed to harsh weather. Depending on building design, sill heights, fueling positions, and operational requirements, a jet bridge may be fixed or movable, swinging radially, or extending in length. The jetway was invented by Frank Der Yuen.
In typography, the x-height, or corpus size, is the distance between the baseline and the mean line of lowercase letters in a typeface. Typically, this is the height of the letter x in the font, as well as the letters v, w, and z. One of the most important dimensions of a font, x-height defines how high lowercase letters without ascenders are compared to the cap height of uppercase letters.
Height restriction laws are laws that restrict the maximum height of structures. There are a variety of reasons for these measures. Some restrictions serve aesthetic values, such as blending in with other housing and not obscuring important landmarks. Other restrictions may serve a practical purpose, such as height restrictions around airports for flight safety. Height restriction laws for housing have become a source of contention by restricting housing supply, increasing housing costs, and depressing land values.
In physical oceanography, the significant wave height (SWH, HTSGW or Hs) is defined traditionally as the mean wave height (trough to crest) of the highest third of the waves (H1/3). It is usually defined as four times the standard deviation of the surface elevation – or equivalently as four times the square root of the zeroth-order moment (area) of the wave spectrum. The symbol Hm0 is usually used for that latter definition. The significant wave height (Hs) may thus refer to Hm0 or H1/3; the difference in magnitude between the two definitions is only a few percent. SWH is used to characterize sea state, including winds and swell.
One Bayfront Plaza is a proposed supertall skyscraper in Miami, Florida, U.S. The building, construction of which has been approved, would stand at 1,049 feet (320 m), with 93 floors,[A] becoming the tallest building in Miami and Florida. One Bayfront Plaza would primarily consist of offices and hotel space, but also would include a retail mall, condominiums, and parking garage on the lower levels, as well as possibly an observation deck at the top. The entire project consists of over 1,400,000 square feet (100,000 m2) of Class A office and hotel space, as well as a total building area of over 4,000,000 square feet (371,612 m2) including the large podium. One Bayfront Plaza is the first skyscraper over 1,000 feet (305 m) to be approved for construction in Miami. The building's primary advocate is real estate developer Tibor Hollo, who has won several awards for his 55 years as a developer in Miami, and is currently the president of Florida East Coast Realty.
Goldin Finance 117, also known as China 117 Tower, is a supertall unfinished skyscraper in Xiqing District, Tianjin, China. The tower was topped out in 2015 at a height of 597 m. It has 128 storeys above ground, with 117 of them housing, hotel, and commercial space, which provides the source of the building’s name. Designed by P&T Group, construction began in 2008 but was twice halted. As of August 2024, it remains unfinished and unoccupied.
The tallest building in the world, as of 2024, is the Burj Khalifa in Dubai. The title of "world's tallest building" has been held by various buildings in modern times, including the Lincoln Cathedral in Lincoln, England, and the Empire State Building and the original World Trade Center, both in New York City.
Tree height is the vertical distance between the base of the tree and the tip of the highest branch on the tree, and is difficult to measure accurately. It is not the same as the length of the trunk. If a tree is leaning, the trunk length may be greater than the height of the tree. The base of the tree is where the projection of the pith (center) of the tree intersects the existing supporting surface upon which the tree is growing or where the seed sprouted. If the tree is growing on the side of a cliff, the base of the tree is at the point where the pith would intersect the cliff side. Roots extending down from that point would not add to the height of the tree. On a slope this base point is considered as halfway between the ground level at the upper and lower sides of the tree. Tree height can be measured in a number of ways with varying degrees of accuracy.
The One is a tri-tower US$650 million mixed-use development project in Colombo, Sri Lanka, estimated to be the 10th largest of its kind in the world. It comprises the Ritz-Carlton Residences, The JW Marriott hotel and The One Residences.
Grand Park Hotel is a hotel located in downtown Mandalay, Myanmar. The 31-story tower is the tallest building in the country outside of Yangon. The hotel was partially opened, with 302 rooms available in September 2019, and with another 92 rooms to be ready by December 2019.
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- ↑ The heights are estimated, with the exception of Banco La Previsora and la Basílica del Sagrado Voto Nacional. Heights are measured from the base to the maximum structural height of the building, without counting antennas, but including water tanks, elevator banks, heliports, etc.
- ↑ The estimated height of Magap without the advertising roof structure is 88 meters, which would place it fourth in the list.
