Recent video about lighting in the Oculus:
https://www.youtube.com/watch?v=QYc85sVRifA
The lighting was enhanced in 2020 in time for Veterans Day so that it would shine not just on the arches but also the top skylight section:
https://www.etcconnect.com/About/New...?LangType=1033
https://www.constellationenergy.com/...s-world-t.html