20260318-0 KML KML 2013-09-18 2025-02-11 2013-09-18 KML 2013-09-26 2013-09-26 Keyhole Markup Language KML – Keyhole Markup Language – is an XML notation for expressing geographic annotation and visualization within Internet-based, two-dimensional maps and three-dimensional Earth browsers. KML was developed for use with Google Earth and became an international standard. .kml application/vnd.google-earth.kml+xml KML false KML 2013-09-18 KML true true true true https://www.iana.org/assignments/media-types/application/vnd.google-earth.kml+xml