https://manpages.ubuntu.com/manpages/questing/man6/timetunnel.6x.html
Ubuntu Manpage: timetunnel - Plasma tunnels fade in and out
Plasma tunnels fade in and out
fade inubuntumanpagetimetunnelplasma
https://manpages.ubuntu.com/manpages/resolute/man6/timetunnel.6x.html
Ubuntu Manpage: timetunnel - Plasma tunnels fade in and out
Plasma tunnels fade in and out
fade inubuntumanpagetimetunnelplasma