SCOTT SNYDER Reforges HALL OF JUSTICE as Central Hub for JUSTICE LEAGUE & Other NEW JUSTICE Teams

And how Martian Manhunter controls it all.

via The Nerd Machine

https://www.newsarama.com/39213-how-a-networked-hall-of-justice-connects-snyder-cheung-s-justice-league-with-other-dcu-teams.html