Luna walked to the corner of the building and tapped a hoof on the wall. It didn't seem too thick. "Pinkie, get everypony ready to move," she said, focusing her magic and aiming at the wall. A second later she unleashed the spell, punching a hole in the wall into the room beyond, destroying the furniture of whoever's living room it had been. She cast the spell again, punching a hole on the other side.