Description: Lanzhou interpreter/Lanzhou Private interpreter/Business interpreter in Lanzhou/Lanzhou Translator, Kick Start 2023: The Lanzhou grand banquet, Great BBQ Technique | Lamb Skewer | Street Food in Lanzhou, China
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Lanzhou ( Chinese : 兰州 ; [la ̌ nʈʂo ́ ʊ] ) is the capital and largest city of Gansu Province in Northwest China . A prefecture-level city , it is a key regional transportation hub, allowing areas further west to maintain railroad connections to the eastern half of the country. Lanzhou is home to 3,616,163 inhabitants at the 2010 census and 2,177,130 in the built-up area (urban) of 1,088 square kilometres (420 sq mi) .
Originally in the territory of the Western Qiang peoples , Lanzhou became part of the territory of the State of Qin in the 6th century BC.
In 81 BC, under the Han dynasty (206 BC–220 AD), it was taken from the Huns' Huandi Chanyu and made the seat of Jincheng commandery (jùn), and later of the Jincheng county (xiàn), later renamed Yunwu . The city used to be called the Golden City, and since at least the first millennium BC it was a major link on the ancient Northern Silk Road , and also an important historic Yellow River crossing site. To protect the city, the Great Wall of China was extended as far as Yumen .