Qi vs Kazan

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In traditional Chinese culture, qi or ch'i ( CHEE simplified Chinese: 气; traditional Chinese: 氣; pinyin: qì qì) is believed to be a vital force forming part of any living entity. Qi translates as "air" and figuratively as "material energy", "life force", or "energy flow". Qi is the central underlying principle in Chinese traditional medicine and in Chinese martial arts.

The practice of cultivating and balancing qi is called qigong. Believers of qi describe it as a vital force, the flow of which must be unimpeded for health. Qi is a pseudoscientific, unverified concept, which has never been directly observed, and is unrelated to the concept of energy used in science (vital energy itself being an abandoned scientific notion).

Source: Wikipedia

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Kazan (; Tatar: Казан; Russian: Каза́нь, IPA: [kɐˈzanʲ]), is the capital and largest city of the Republic of Tatarstan in Russia. The city lies at the confluence of the Volga and the Kazanka rivers, covering an area of 425.3 square kilometres (164.2 square miles), with a population of over 1.2 million residents, up to roughly 1.6 million residents in the urban agglomeration. Kazan is the fifth-largest city in Russia, and the most populous city on the Volga, as well as the Volga Federal District. Ancient Kazan was founded in the late 13th century by the Golden Horde. In 1438, Kazan became the capital of the Khanate of Kazan. In 1552, Kazan was captured by Ivan the Terrible and became a part of Russia. The city was seized and largely destroyed during Pugachev's Rebellion of 1773–75, but was later rebuilt during the reign of Catherine the Great.

In the following centuries, Kazan grew to become a major industrial, cultural and religious centre of Russia. In 1920, after the Russian SFSR became a part of the Soviet Union, Kazan became the capital of the Tatar ASSR. After the dissolution of the Soviet Union, Kazan stayed as the capital of the Republic of Tatarstan. Kazan is renowned for its vibrant mix of Tatar and Russian cultures. In 2015, 2.1 million tourists visited Kazan, and 1.5 million tourists visited the Kazan Kremlin, a World Heritage Site. In April 2009, the Russian Patent Office granted Kazan the right to brand itself as the "Third Capital of Russia". In 2009 it was chosen as the "Sports capital of Russia", and it still is referred to as such. Kazan hosted the 2013 Summer Universiade, and was one of the host cities of the 2018 FIFA World Cup.

Source: Wikipedia