Roy Thomson Hall as The U.N. HQ Annex
The U.N. Undersecretary orders Avasarala to stop using gravity torture on the captured OPA operative.
“The Big Empty” Filming Locations
The Expanse episode “The Big Empty” was filmed in Toronto in Canada.
Corus Quay as U.N. HQ Offices
Avasarala tells the Undersecretary that she wants the OPA suspect sent to Luna for interrogation.