diff --git a/Survi.Prevention.DataLayer/Mapping/BuildingMapping.cs b/Survi.Prevention.DataLayer/Mapping/BuildingMapping.cs
index e50769e5..08d3619f 100644
--- a/Survi.Prevention.DataLayer/Mapping/BuildingMapping.cs
+++ b/Survi.Prevention.DataLayer/Mapping/BuildingMapping.cs
@@ -29,7 +29,8 @@ public override void Map(EntityTypeBuilder<Building> b)
 			b.HasOne(m => m.RiskLevel).WithMany().HasForeignKey(m => m.IdRiskLevel);
 			b.HasOne(m => m.UtilisationCode).WithMany().HasForeignKey(m => m.IdUtilisationCode);
 			b.HasOne(m => m.Lane).WithMany().HasForeignKey(m => m.IdLane);
-			b.HasOne(m => m.Transversal).WithMany().HasForeignKey(m => m.IdLaneTransversal);
+            b.HasOne(m => m.City).WithMany().HasForeignKey(m => m.IdCity);
+            b.HasOne(m => m.Transversal).WithMany().HasForeignKey(m => m.IdLaneTransversal);
 			b.HasOne(m => m.Picture).WithMany().HasForeignKey(m => m.IdPicture);
 			b.HasOne(m => m.Detail).WithOne(m => m.Building).HasForeignKey<BuildingDetail>(m => m.IdBuilding);
 
diff --git a/Survi.Prevention.Models/Buildings/Building.cs b/Survi.Prevention.Models/Buildings/Building.cs
index 04818140..a477a49b 100644
--- a/Survi.Prevention.Models/Buildings/Building.cs
+++ b/Survi.Prevention.Models/Buildings/Building.cs
@@ -36,7 +36,8 @@ public class Building : BaseModel
 		public string Details { get; set; }
 		public BuildingChildType ChildType { get; set; }
 
-		public Guid IdLane { get; set; }
+        public Guid IdCity { get; set; }
+        public Guid IdLane { get; set; }
 		public Guid? IdLaneTransversal { get; set; }
 		public Guid? IdUtilisationCode { get; set; }
 		public Guid IdRiskLevel { get; set; }
@@ -45,7 +46,8 @@ public class Building : BaseModel
 		
 		public RiskLevel RiskLevel { get; set; }
 		public UtilisationCode UtilisationCode { get; set; }
-		public Lane Lane { get; set; }
+        public City City { get; set; }
+        public Lane Lane { get; set; }
 		public Lane Transversal { get; set; }
 		public Building Parent { get; set; }
 		public Picture Picture { get; set; }