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Indianapolis (/ˌɪndiəˈnæpəlɪs/), colloquially known as Indy, is the state capital and most populous city of the U.S. state of Indiana and the seat of Marion County. According to the U.S. Census Bureau, the consolidated population of Indianapolis and Marion County was 977,203 in 2020. The "balance" population, which excludes semi-autonomous municipalities in Marion County, was 887,642. It is the 15th most populous city in the U.S., the third-most populous city in the Midwest, after Chicago and Columbus, Ohio, and the fourth-most populous state capital after Phoenix, Arizona, Austin, Texas, and Columbus. The Indianapolis metropolitan area is the 33rd most populous metropolitan statistical area in the U.S., with 2,111,040 residents. Its combined statistical area ranks 28th, with a population of 2,431,361. Indianapolis covers 368 square miles (950 km2), making it the 18th largest city by land area in the U.S.

Indigenous peoples inhabited the area dating to as early as 10,000 BC. In 1818, the Lenape relinquished their tribal lands in the Treaty of St. Mary's. In 1821, Indianapolis was founded as a planned city for the new seat of Indiana's state government. The city was platted by Alexander Ralston and Elias Pym Fordham on a 1-square-mile (2.6 km2) grid next to the White River. Completion of the National and Michigan roads and arrival of rail later solidified the city's position as a manufacturing and transportation hub. Two of the city's nicknames reflect its historical ties to transportation—the "Crossroads of America" and "Railroad City". Since the 1970 city-county consolidation, known as Unigov, local government administration operates under the direction of an elected 25-member city-county council headed by the mayor.

Indianapolis anchors the 29th largest economic region in the U.S., based primarily on the industries of trade, transportation, and utilities; professional and business services; education and health services; government; leisure and hospitality; and manufacturing. The city has notable niche markets in amateur sports and auto racing. The city is home to three Fortune 500 companies, two major league sports clubs (Colts and Pacers), five university campuses, and several museums, including the world's largest children's museum. However, the city is perhaps best known for annually hosting the world's largest single-day sporting event, the Indianapolis 500. Among the city's historic sites and districts, Indianapolis is home to the largest collection of monuments dedicated to veterans and war casualties in the U.S. outside of Washington, D.C.

Tongxin County is located in the central and southern part of Ningxia Hui Autonomous region, under the jurisdiction of Wuzhong City. It is bordered by Yanchi County in the east and Huanxian County in Qingyang City, Gansu Province in the east, Yuanzhou District in Guyuan City in the south, Shapotou District, Zhongning County and Haiyuan County in Zhongwei City in the west, and Hongsibao District in Wuzhong City in the north. It is located on the Loess Plateau in the south of Ordos platform and is high in the south and low in the north. There are mainly five types of landforms, such as mountains, loess hills, river valleys and desert lands, with complex topography and crisscross distribution of mountains and rivers. There are Luoshan, Miboshan, Madashan, Laoye Mountain, Qinglong Mountain, Yaoshan and so on, all of which belong to Liupanshan system. In March 2019, it was listed as the first batch of revolutionary cultural relics protection and utilization district and county list.
Travel Notes In Tongxin County
Tongxin Mosque, the oldest and largest Islamic building in Ningxia
China is so big, I want to visit it. Take you to a place you have been or have not been to. Tongxin Mosque, the oldest and largest Islamic building in
The most complete | Linglong Valley play strategy, too much fun
From spring fields to court halls, from twilight to morning light, here, the soul no longer has the decadence of living in a cage for a long time. The
7 Days Hotel is committed to guarding "Shanghai" and fighting the "epidemic" with all its strength
In April 2022, the epidemic was raging in Shanghai, and medical staff from all over the country rushed to help Shanghai. The wind and the moon are in
Visit the photo shooting location of "Voice of the Anti-Japanese War"
China is so big, I want to visit it. Take you to a place you have been or have not been to. Visit the photo shooting location of "Voice of the Anti-Ja