Introduction to Tangyuan: China Tangyuan is adjacent to the Ring Expressway in the north, facing Qujiang River in the west, 10,000 acres of ecological forest in the south, and surrounded by the Chan River in the east. It is the centerpiece of the 10,000-acre urban forest ecological park in Xi'an. An important part of. Tangyuan was built in 2004 and is divided into sightseeing and tourism area, garden art area, catering and entertainment area, exposition area, health management area, leisure resort area, hot spring bathing area, golf course area and Han and Tang Dynasty cultural area. It has now become the permanent venue of the "Chinese Tang Style Bonsai Exhibition".