阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Long, long ago, there was a city called Jijiaocheng, so named because it was said to have been built at daybreak. ___1___ city was on the rich Liyang Plain (平原). Many waterways ___2___ (provide) water for crop fields and the people living inside and outside of the city.

The rulers of Jijiaocheng asked the people ___3___ (cut) down trees in the mountains. The wood was shipped by ___4___ (worker) to the city for tall buildings. Standing in them, the city’s rulers will be able to see ___5___ (they) people and crops between the waterways. In autumn, plenty of rice was brought to the city.

This is not some bedtime story. It ___6___ (real) took place around 4,500 years ago.

Thousands of years later, the once busy ___7___ rich Jijiaocheng, which is now in a town of Hunan, came to the notice of the modern world. With the help of archaeologists (考半车) and historians, artists painted recreations of life in Jijiaocheng in a ___8___ (tradition) scroll (卷釉).

The scroll was part of a huge project. A group of artists spent two years ___9___ it. It includes eight paintings, which are 140 meters long in total. It ___10___ (show) early human activities on the Liyang Plain and the prehistoric culture in Hunan.