Tel: 0475-8239021 Location: 10 kilometers northeast of Qinglongshan Town, Naiman Banner, Tongliao City, Inner Mongolia Autonomous Region

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The total highway mileage of Tongliao City reaches 6,939 kilometers, including 1,918 kilometers of asphalt pavement. There are 278 bridges with a total linear length of 6,774 meters. The highway density stands at 11.6 kilometers per 100 square kilometers, and Tongliao has achieved highway access to all townships. Four national highways, namely G111, G303, G304 and G204, run through the city with a combined length of 901 kilometers.

At present, an interconnected crisscross transportation network centered on Horqin District has taken shape. It connects all banners, counties and cities within Tongliao, extends to all towns and sums, and links externally to core cities including Shenyang, Changchun and Jinzhou, as well as coastal ports such as Tianjin, Dalian, Yingkou and Qinhuangdao.

Tongliao boasts an extensive railway network. Six railways — Jitong, Jingtong, Tongrang, Dazheng, Pingqi and Tonghuo — traverse the whole territory, covering more than 1,000 kilometers within the city limits. Tongliao Railway Station ranks among China’s 40 key national railway hubs. Upon completion of the ongoing secondary-class six-yard marshalling project, the station will become one of the country’s 14 major freight marshalling stations.

Tongliao Airport can accommodate medium-sized passenger aircraft. Same-day round-trip flights operate on the Ulanhot–Tongliao–Beijing–Hohhot route.

A set of epitaph tablets unearthed from the joint tomb of Princess Chen and her consort in Qinglongshan of Naiman Banner is the only epitaph ever discovered among numerous Liao Dynasty tombs excavated in Jirem League to date.

Carved from green sandstone, both the epitaph base and its cover are square, measuring 89.5 centimeters on each side with an overall height of 28 centimeters. Twelve roughly identical human figures bearing the twelve Chinese zodiac animals on their heads are incised on the four sloped sides. In the center, the seal script characters “Epitaph of the Late Princess Chen” are engraved intaglio. The stone base is 12 centimeters thick. The epitaph text written in regular script features neat calligraphy with all characters intact and legible.

Its discovery fills gaps in the records of History of the Liao Dynasty, opens up new research topics on Liao history, and provides vital physical evidence for textual research into the Liao Dynasty.