<xs:complexType name="AbstractSiteType" abstract="true">
	<xs:annotation>
		<xs:documentation>Type describing the abstract superclass for buildings, facilities, etc. Future extensions of CityGML like
			bridges and tunnels would be modelled as subclasses of _Site. As subclass of _CityObject, a _Site inherits all attributes
			and relations, in particular an id, names, external references, and generalization relations. </xs:documentation>
	</xs:annotation>
	<xs:complexContent>
		<xs:extension base="AbstractCityObjectType">
			<xs:sequence>
				<xs:element ref="_GenericApplicationPropertyOfSite" minOccurs="0" maxOccurs="unbounded"/>
			</xs:sequence>
		</xs:extension>
	</xs:complexContent>
</xs:complexType>