On both sides of the road to Gacha County, there are many dilapidated tuk-tuks. It is said that these were built by Zhao Erfeng, the minister in Tibet at the end of the Qing Dynasty. This Sichuan army unit swept everything on the snowy plateau, calmed the rebellion and reclaimed Tibet, and abolished the toast. In 1911, the 1911 Revolution broke out, Zhao Erfeng was beheaded by the Revolutionary Army, pitiful life hero sad songs. However, these past history has added to the focus of our tourists on the local humanities. Before arriving in Longzi County, we had to check the border defense certificate. Recently, the border has been a bit tense because of certain events.