This does not bode well for the other people lost to this world.

[ If they come across people, they may not be a part of the painting originally. The matter then concerns how to reverse the process... or tell of their sad fates. Sherlock shakes his head. ]

We can move more quickly and still watch for traps.

[ He starts to move quicker towards the building in the distance. That's the main landmark they have in this scene. It's still the best hope to finding evidence someone besides them. (That doesn't solve how to leave the painting, however....) ]