<?xml version="1.0"?> <!-- FlightGear Materials File. See Docs/README.materials for details. --> <PropertyList> <!-- Base materials --> <region include="Materials/dds/global.xml"/> <region include="Materials/dds/global-summer.xml"/> <region include="Materials/dds/global-winter.xml"/> <!-- Urban shader --> <region include="Materials/dds/urban.xml"/> </PropertyList>