Level map (for mobile online game) -- 2

You need to create a copy of the area from Google maps. level map for a mobile game, landscape, buildings, roads, with textures in a realistic style, you also need to create an underground mine. This task is only for those who know Unreal Engine 4!Landscape, textures, material, buildings
need to completely create a level map from these pictures, map is big on it about 17 buildings, all buildings must have textures and inside buildings can be walked