Index: long_walls.json
===================================================================
--- long_walls.json
+++ long_walls.json
@@ -2,8 +2,7 @@
 	"genericName": "Athenian Long Walls",
 	"description": "The Long Walls of Athens were constructed under the auspices of the wily Themistocles and extended 6 km from the city to the port of Piraeus. This secured the city's sea supply routes and prevented an enemy from starving out the city during a siege.",
 	"cost": {
-		"stone": 250,
-		"metal": 250
+		"stone": 400
 	},
 	"requirements": {
 		"all": [
@@ -12,9 +11,9 @@
 		]
 	},
 	"requirementsTooltip": "Unlocked in City Phase.",
-	"icon": "crenelations.png",
+	"icon": "masonry_marble.png",
 	"researchTime": 60,
-	"tooltip": "Build Walls in own or neutral territory.",
+	"tooltip": "Allows build Walls in neutral territory.",
 	"modifications": [
 		{ "value": "BuildRestrictions/Territory", "replace": "own neutral" }
 	],