Chiang Mai vs Norilsk

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Chiang Mai (, from Thai: เชียงใหม่ [tɕʰīəŋ màj] (listen), Northern Thai: ᨩ᩠ᨿᨦ ᩲᩉ᩠ᨾ᩵ [t͡ɕīəŋ.màj] (listen)), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand and the capital of Chiang Mai Province. It is 700 km (435 mi) north of Bangkok near most of the highest mountains in the country (because it is located near the Himalayas), including Doi Suthep and Doi Inthanon (which is the tallest mountain in Thailand). Chiang Mai (meaning "New City" in Thai) was founded in 1296 as the new capital of Lan Na, succeeding the former capital, Chiang Rai. The city's strategic location on the Ping River (a major tributary of the Chao Phraya River) and its proximity to major trading routes contributed to its historic importance.Although the city (thesaban nakhon, "city municipality") of Chiang Mai only officially covers most parts of the Mueang Chiang Mai District, with a population of 127,000, the city's sprawl extends into several neighboring districts.

The Chiang Mai metropolitan area has a population of nearly one million people, which is more than half of the total population of Chiang Mai Province. The city is subdivided into four khwaeng (electoral wards): Nakhon Ping, Srivijaya, Mengrai, and Kawila. The first three are on the west bank of the Ping River, and Kawila is on the east bank. Nakhon Ping District includes the northern part of the city. Srivijaya, Mengrai, and Kawila consist of the western, southern, and eastern parts, respectively. The city center—within the city walls—is mostly within Srivijaya ward.

Source: Wikipedia

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Norilsk (Russian: Нори́льск, IPA: [nɐˈrʲilʲsk]) is an industrial city in Krasnoyarsk Krai, Russia, located above the Arctic Circle, east of the Yenisei River and south of the western Taymyr Peninsula. It has a permanent population of 175,000. With temporary inhabitants included, its population reaches 220,000. It is the world's northernmost city with more than 100,000 inhabitants and the second-largest city (after Murmansk) inside the Arctic Circle. Norilsk and Yakutsk are the only large cities in the continuous permafrost zone.

The nickel deposits of Norilsk-Talnakh are the largest-known nickel-copper-palladium deposits in the world. The smelting of the nickel ore is directly responsible for severe pollution, which generally comes in the form of acid rain and smog. By some estimates, one percent of global sulfur dioxide (SO2) emissions come from Norilsk's nickel mines. The Nornickel company has its main operations in the area where it is the largest employer.

Source: Wikipedia