I think the geometry shifts based on how many people are dreaming at once.
I have a theory about why the stores change position but it sounds crazy.
Every time I read a report like this I feel less alone. Thank you for sharing.
I tried to bring someone else to this location in a shared dream but it did not work.
The color you mention — I call it dream-purple. It does not exist when I am awake.
I visited this area last week and noticed the same thing. The consistency is remarkable.
The temperature changes you describe correspond to depth. Deeper = warmer in my experience.