private void CleanCityUI() {
		remove(findFigure(GfxConstants.WORKFORCEFOCUS_X,
				GfxConstants.WORKFORCEFOCUS_Y));
		remove(findFigure(GfxConstants.CITY_SHIELD_X,
				GfxConstants.CITY_SHIELD_Y));
		remove(findFigure(GfxConstants.CITY_PRODUCTION_X,
				GfxConstants.CITY_PRODUCTION_Y));
	}