The walls of Velgarien are not moving. The walls of Velgarien have always been exactly where they are now.
INCIDENT REPORT — CLASSIFIED LEVEL 4 FILED BY: Inspector Venn, Bureau of Structural Integrity LOCATION: Residential Block 14, Sub-District Grey DATE: [Redacted — temporal inconsistency flagged by Bureau 22] STATUS: Under Investigation (Permanent) At 03:17 on the night in question, residents of Block 14 reported that Corridor 9-East had become Corridor 9-West. This is not a navigational error. The corridor physically reversed its orientation overnight. Doors that opened into apartments now opened into the corridor. Apartment interiors were unaffected — residents looked out their doors and saw the back of their own apartments from the outside, as though the building had turned itself inside out and then, with the patience of something that has all the time in the world, turned most of itself back. The effect lasted approximately forty minutes before the corridor resumed its original configuration, except that it was now 2.3 metres longer than architectural records indicate. This is the...
From the lore of Velgarien.