added world scene mountains to hide world borders

Assets/Photon/PhotonUnityNetworking/Demos/Shared Assets/Materials/Gradient.mat

@@ -22,7 +22,7 @@ Material:
   m_PrefabAsset: {fileID: 0}
   m_Name: Gradient
   m_Shader: {fileID: 4800000, guid: 8d2bb70cbf9db8d4da26e15b26e74248, type: 3}
-  m_ShaderKeywords: _EMISSION _GLOSSINESS_FROM_BASE_ALPHA _SPECULAR_COLOR
+  m_ShaderKeywords: _EMISSION
   m_LightmapFlags: 1
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
@@ -46,7 +46,7 @@ Material:
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _MainTex:
-        m_Texture: {fileID: 0}
+        m_Texture: {fileID: 2800000, guid: 4ca1824a2e144f043b9eb7d6e3777659, type: 3}
         m_Scale: {x: 1, y: 1}
         m_Offset: {x: 0, y: 0}
     - _SpecGlossMap: