Wichita (/ˈwɪtʃɪtɔː/ WITCH-ih-taw) is the largest city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.
Wichita began as a trading post on the Chisholm Trail in the 1860s and was incorporated as a city in 1870. It became a destination for cattle drives traveling north from Texas to Kansas railroads, earning it the nickname "Cowtown". Wyatt Earp served as a police officer in Wichita for around one year before going to Dodge City.
Lu County is the lower jurisdiction county of Luzhou City, Sichuan Province, which is located in the south of Sichuan Basin, between longitude 105 °10 °50 "~ 105 °45 °30" east longitude and latitude 28 °54 °40 "~ 29 °20 °00" north. Lu County is bordered by Yongchuan District of Chongqing City and Hejiang County of Luzhou City in the east, Longmatan District and Jiangyang District of Luzhou City in the south, Fushun County of Zigong City in the west, and Rongchang District of Chongqing City and Longchang City of Neijiang City in the north. Lu County is a major national cultural relic county, with 6 key cultural relics protection units such as Longnaoqiao and Song Tombs in Luxian County. It is a national construction and labor base county, a national model county with double support, a national health city, and one of the top 100 counties in the western region. On February 2, 2019, it was rated as a county-level national advanced unit of traditional Chinese medicine by the State Administration of traditional Chinese Medicine.