Unknown/Generic Glider (N77UN)

I know this place! That looks like American Fork Canyon, and KPVU down at the edge of the lake.

Yes ! close to Salt Lake City. Google Earth :
===============================================
<?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>American Fork Canyon.kml</name>
<Placemark>
<name>American Fork Canyon</name>
<LookAt>
<longitude>-111.5990947141278</longitude>
<latitude>40.2765186177454</latitude>
<altitude>0</altitude>
<heading>-154.8063740872348</heading>
<tilt>66.3078113257595</tilt>
<range>2860.352140605309</range>
<gx:altitudeMode>relativeToSeaFloor</gx:altitudeMode>
</LookAt>
<Point><coordinates>-111.5990947141279,40.2765186177454,0</coordinates></Point>
</Placemark>
</Document>
</kml>

Is the pilot in this snap being supplied oxygen? (noting the green tube under his nose).

He is being supplied oxygen