outer Boundary
A <Polygon>
element must have an outer boundary which is defined as a <LinearRing>
within the <outerBoundaryIs>
tag.
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2" xmlns:gx="http://www.google.com/kml/ext/2.2" xmlns:kml="http://www.opengis.net/kml/2.2" xmlns:atom="http://www.w3.org/2005/Atom">
<Document>
<name>Polygon.kml</name>
<Placemark>
<name>Old City</name>
<Style>
<LineStyle>
<color>ff44bbff</color>
<width>6</width>
</LineStyle>
<PolyStyle>
<color>9900ffff</color>
</PolyStyle>
</Style>
<Polygon>
<tessellate>1</tessellate>
<outerBoundaryIs>
<LinearRing>
<coordinates>
8.544222337702587,47.36685544210331,0
8.545496519640647,47.36754335596543,0
8.546886800473326,47.36818505186766,0
8.548145462507703,47.36910011324984,0
8.548836034322056,47.37028741801458,0
8.548019739113808,47.37108433432082,0
8.547657015396686,47.37148197251891,0
8.547716032193396,47.37231312269800,0
8.547206351371608,47.37300871898606,0
8.544092586802543,47.37691389759544,0
8.537807362438116,47.37764176087673,0
8.535889607358058,47.37582514758895,0
8.535302058906467,47.37448750189728,0
8.533624107619950,47.37372821770359,0
8.533667850439837,47.37200760189354,0
8.532104747682428,47.37065736560854,0
8.534617869638746,47.37017813051830,0
8.535301269061677,47.36895058883309,0
8.537264394895349,47.36878468371822,0
8.539766635109661,47.36583092486158,0
8.542184711181875,47.36631413950945,0
8.542319713188149,47.36657908561416,0
8.544222337702587,47.36685544210331,0
</coordinates>
</LinearRing>
</outerBoundaryIs>
</Polygon>
</Placemark>
</Document>
</kml>