Dazhou's history goes back to the Eastern Han Dynasty when in 90 AD it was made a county by the name of Liweizhou. Then until the Liao Dynasty its name was Zaidi. During the Liao and Tang dynasties its name was again changed, this time to Tongzhou. Finally in the Song Dynasty it was given its present name of Dazhou. Its weather is humid and moderate. Attractions: Han Dynasty Watchtowers: Grave Steles of the Han Dynasty (206BC-221BC) along the ancient bridle-road that is no more than ten kilometers (6.2 miles).