How to explain "Qian 'an"? What does this mean?

Qian 'an has a long history and profound cultural heritage. As early as the late Paleolithic period (42,000-50,000 years ago), people lived along the Luanhe River and Zhao Village in Qian 'an.

In Yao Dynasty, the whole country was divided into "ten states", and Jizhou was divided into two states: Ji and You. Today Qian 'an is the land of You 'an, the Shang Dynasty is the famous isolated bamboo country, the Spring and Autumn Period is the branch country of Shanrong, the Qin Dynasty is the branch county, the Western Han Dynasty was changed to Lingzhi County, and the Liao Dynasty was named Anxi County (Liao put people captured from Anxi County and Dingzhou County in Hebei Province in Qian 'an and Qianxi). ).

1996 10 with the approval of the State Council, the county was withdrawn and the city was established. Famous allusions in history, such as Boyi Shu Qi letting the country go and the old horse finding the way, all happened in Qian 'an.