Introduction to private gardens: There are more than 2,000 rare and rare trees in the urban green valley, with 150 varieties, and more than 20 trees are 100-120 years old. Among them are six 120-year-old cypress trees; a pair of sister beech trees that are more than 120 years old are more than 8 meters tall; another 110-year-old camphor tree requires four people to surround it; the century-old osmanthus is refreshing; and the weighing weight tree is rare in the world.