Theory: The train we see in the Artyom's Nightmare trailer was based off of (or was) the original Aurora with the 12 carriages and 100 colonists. : r/ metro
METRO EXODUS Artyom's Nightmare (2019) - YouTube
METRO EXODUS - Artyom's Nightmare | Behance
Metro Exodus: Artyom's Nightmare | shots
Metro Exodus Trailers Outline the Shotgun Class and 'Artyom's Nightmare' | XboxAchievements.com
Metro Exodus - Artyom's Nightmare Official Story Trailer - Gameplanet New Zealand