Detail this asset from Unity Asset Store: https://assetstore.unity.com/packages/3d/environments/desert-village-3-3854
But now you can download Desert Village 3 FREE.
Desert Village 3
This package contains six houses, three plants and 18 decorative props to create a desert village. There are up to three LOD-stages and normal maps. Specular maps are stored in the alpha channel of the diffuse textures. Specbump shaders are already applied.
unityassetcollection.com – Get all paid Unity Asset for free