Nur-Sultan vs Pearl

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Nur-Sultan (Kazakh pronunciation: [nʊɾ sʊltɑn], Cyrillic: Нұр-Сұлтан; see also other names), known between 1998 and 2019 as Astana (Kazakh pronunciation: [ɑstɑnɑ], Cyrillic: Астана), is the capital city of Kazakhstan. In March 2019, it was renamed Nur-Sultan in honour of the departing Kazakh president, Nursultan Nazarbayev. It stands on the banks of the Ishim River in the northern part of Kazakhstan, within the Akmola Region, though administered as a city with special status separately from the rest of the region. A 2020 official estimate reported a population of 1,165,983 within the city limits, making it the second-largest city in the country, after Almaty, the previous capital, between 1991 and 1997.The original city of Akmola (then Astana from 1998, and from 2019 Nur-Sultan) became the capital of Kazakhstan in 1997, and since then has developed economically into one of the most modern cities in Central Asia.

On 23 March 2019, following a unanimous vote in Kazakhstan's parliament, the city was renamed Nur-Sultan, after former Kazakhstan President Nursultan Nazarbayev.Modern Nur-Sultan is a planned city, following the process of other planned capitals. After it became the capital of Kazakhstan, the city dramatically changed its shape. The city's master-plan was designed by Japanese architect Kisho Kurokawa. As the seat of the Government of Kazakhstan, Nur-Sultan is the site of the Parliament House, the Supreme Court, the Ak Orda Presidential Palace and numerous government departments and agencies. It is home to a range of futuristic buildings, including many skyscrapers.

Source: Wikipedia

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A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as fossil conulariids. Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) in minute crystalline form, which has deposited in concentric layers. The ideal pearl is perfectly round and smooth, but many other shapes, known as baroque pearls, can occur. The finest quality of natural pearls have been highly valued as gemstones and objects of beauty for many centuries. Because of this, pearl has become a metaphor for something rare, fine, admirable and valuable. The most valuable pearls occur spontaneously in the wild, but are extremely rare. These wild pearls are referred to as natural pearls. Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority of those currently sold.

Imitation pearls are also widely sold in inexpensive jewelry, but the quality of their iridescence is usually very poor and is easily distinguished from that of genuine pearls. Pearls have been harvested and cultivated primarily for use in jewelry, but in the past were also used to adorn clothing. They have also been crushed and used in cosmetics, medicines and paint formulations. Whether wild or cultured, gem-quality pearls are almost always nacreous and iridescent, like the interior of the shell that produces them. However, almost all species of shelled mollusks are capable of producing pearls (technically "calcareous concretions") of lesser shine or less spherical shape. Although these may also be legitimately referred to as "pearls" by gemological labs and also under U.S. Federal Trade Commission rules, and are formed in the same way, most of them have no value except as curiosities.

Source: Wikipedia