Luoyang, a city in ancient China, was a major capital for many dynasties over almost 2000 years. This book looks at the history of six different capital cities in the region, from the Western Zhou dynasty to the Tang dynasty. It explores how these cities changed over time, focusing on their layouts and important buildings. The book also talks about the influence of religions like Buddhism and famous people who lived in these cities. Overall, it gives an easy-to-understand overview of ancient Chinese urban history.