diff --git a/common/buildings/00_special_buildings.txt b/common/buildings/00_special_buildings.txt
index 975b89aeb..606f03c36 100644
--- a/common/buildings/00_special_buildings.txt
+++ b/common/buildings/00_special_buildings.txt
@@ -2667,7 +2667,7 @@ the_tower_of_london_01 = {
 		building_requirement_tribal = no
 	}
 
-	can_construct = {
+	can_construct_showing_failures_only = {
 		scope:holder.culture = {
 			has_innovation = innovation_battlements
 		}
@@ -2730,8 +2730,10 @@ london_bridge_01 = {
 	}
 
 	can_construct = {
-		scope:holder.culture = {
-			has_innovation = innovation_development_03
+		scope:holder = {
+			culture = {
+				has_innovation = innovation_development_03
+			}
 		}
 	}
 	
@@ -5087,10 +5089,8 @@ soltaniyeh_01 = {
 	}
 	
 	can_construct = {
-		scope:holder = {
-			culture = {
-				has_innovation = innovation_development_03
-			}
+		scope:holder.culture = {
+			has_innovation = innovation_development_03
 		}
 	}
 	
diff --git a/map_data/adjacencies.csv b/map_data/adjacencies.csv
index 904e44e80..994f3ea41 100644
--- a/map_data/adjacencies.csv
+++ b/map_data/adjacencies.csv
@@ -109,6 +109,7 @@ From;To;Type;Through;start_x;start_y;stop_x;stop_y;Comment
 459;2521;sea;8650;1775;2734;1766;2727;Krk-Cres
 3555;3556;sea;1109;1913;2598;1922;2602;Mokro-Hvar
 3556;3569;sea;1109;1930;2578;1942;2578;Hvar-Ston
+505;12333;river_large;1066;-1;-1;-1;-1;Belgrade-Palilula
 #RUSSIA
 169;170;river_large;1006;2354;3837;-1;-1;Nyen-Pähkinälinna
 552;5116;river_large;1079;2350;3294;-1;-1;Turov-Mikashevichy