TV UFO Footage: UFO Hovering Over Mt. Usu, Hokkaido, Japan In NHK (Japan) TV Report

The footage appears to show a disc shaped UFO with a dome:

https://www.youtube.com/watch?v=XR0v6czoZvI (1/2)

https://www.youtube.com/watch?v=7ebw8-cu1Nw (2/2)

It is not known when the footage of the unknown object was recorded.

(youtube.com images)