Yuan County is a county in Hainan Prefecture, Qinghai Province, which is famous for the size of the largest small-seed rape flower in the north. Therefore, when people talk about Menyuan County, they probably dont know where the source is and what it is. However, it is known that the door source rapeseed is very famous, so many tourists come to the door to see the rape. It seems that the northern rapeseed base is the representative and signboard of Menyuan County. rapeseed is not unusual, there are everywhere, but the door source of rape blossoms is spectacular, north to Qilian Mountain, west from Yongan City, east to Yulong Beach, south to Dagu Mountain, stretching for hundreds of kilometers, like golden The sea. The rich yellow flowers, along the banks of the Haomen River, are hundreds of kilometers across the Menyuan Basin. Under the deep blue sky of the plateau, the mountains and the mountains are close to the water.