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.
Luozha County belongs to Shannan City, Tibet Autonomous region, which means "Southern Great Cliff" in Tibetan. It is located in the south of the Tibet Autonomous region and at the southern foot of the Himalayas. The central part of the county is a grand canyon-Luozhagou, which is one of the border counties of the Tibet Autonomous region. The border line is 200 kilometers long. It is adjacent to Cuomei County and Cuona County in the southeast, Langkazi County in the northwest and the Kingdom of Bhutan to the south. In 2014, the total land area of the county was 5570.3 square kilometers. The water area is about 400 square kilometers. It is rich in water conservancy, wind and solar energy resources. The total population of the county is 20,000 (2014). It has jurisdiction over 2 towns and 5 townships. In 2012, the county's GDP reached 270.18 million yuan, 1.7 times that of 2010. Loza ("Southern Great Cliff" in Tibetan) is located south of the Himalayas.