The ancient city of Lijiang is found in Dayan Town, a largely Naxi settlement first built during the Southern Song Dynasty some eight centuries ago. In December 1986, the State Council designated the place as a famous ancient historical and cultural city of a national caliber. In 1997, the UNESCO put Lijiang on a list of the world major cultural heritages. With Sifang Street at the core, the entire city spreads out in all direction, and is crisscrossed by a labyrinth of flagged streets and alleyways. Most of the dwellings, scattered at the foot of a mountain or by the rivers which flow through every nook and corner of the city, are brick-and-tile structures with carved doors and painted windows. Traffic across the river is facilitated by a large number of tiny stone bridges. The entire city is evocative of a town south of the Yangtze River.