Introduction to Nairi Natural Flower Sea Grassland: Nairi Natural Flower Sea Grassland is located in the northwest of Shangri-La County, on the east side of National Highway 214, and on the west side of the national highway is the Yila Grassland Style Garden. Just follow the national highway and you will reach the famous Napa Sea Scenic Area. Tourists can stop by on their way to Napa Sea.