Which valley in the Qinling Mountains in Xi'an has soapberries?

There are no valleys. What is there in each valley in Xi'an:

1. Lantian County: There are forest farms in Qingyu, Daogou Valley flows into Bahe River, there is Jade in Wangyu, Daiyu is flat, and Xiaoyangyu is in Jiaodai and Dongtangyu. Jintang Valley, there is a mountain called Rentou in the Pullpao Valley.

2. Chang'an District: Kuyu is famous for Daxing Mountain, Dayu is famous for Lotus Cave, Baidaoyu Jiawu Terrace, Xiaoyu Xikang Line, Tumenyu has many fruit trees, Jiaoyu Taiyi Palace, Taiyu Cui Huashan Mountain, Shibianyu Reservoir is large, Tianzi Valley has a seismometer, Baolong Valley Guanyin Baozi is surrounded by purple air, Ziwu Valley ancient litchi road, Baishi Valley self-abuse, Huangyu built a zoo, Fengyu Jingye Temple, Xiangyu Mangmang In the deep mountains and Gaoguan Valley, it belongs to Shanglin Garden, where the royal carriages and horses of the Qin and Han Dynasties are noisy.

3. Hu County: Zige Valley has beautiful waterfalls, Taiping Valley is expensive, Gebo Valley is wild, Wusang Valley has many trees, Huangbai Valley has a coffin, Huayang Valley is the most romantic, Shaochai Valley is full of water vapor, The Lao Valley is poor, the millet is rich, the Tan Valley has strange rocks, and the Gan Valley has strange water.

4. Zhouzhi County: Gengyu is picturesque, there are many wild kiwis in Chiyu, there is a lot of rain in Tianyu, quartz is produced in Jiuyu, the Heihe River flows in Heiyu, the ancient city is sweet to the hearts of all people, and Xiluoyu provides Weishui and Zhuyu peppers are really beautiful.