NavigationInfo {
      type ["NONE"]
  }
  
  DEF DEFAULT_VIEWPOINT Viewpoint {
      position 0 40 0
      orientation 1 0 0 -1.57
  }
  
  
  Shape {
      geometry Box { size 40 0.1 40 }
      appearance Appearance {
          texture ImageTexture { url "local/game/images/grid.gif" }
      }
  }