This is a paid asset, but now you can download Survival Old Village Free.
Detail this asset from Unity Store: Original Link
Survival Old Village v3.6 (Latest version)
Version 3.6 Update
New models added:
+ Old barn
+ Replaced vegetation models. Tree models do not respond to wind. Trees are suitable as a prototype. Or for distant plans.
Survival Old village.
8 model buildings
90 environment object that can be combined to create a variety for every yard.
trees and bushes
– Most of the objects contains LODs.
– PBR Tiled textures and materials.
+ Bonus grass and terrain textures!