Hello fellow traveller it seems you have noclipped into the backrooms where the laws of nature fail to apply and nothing is what it seems.
You have come to the right place. Here you will find all the information you need about the backrooms
Now you may be wondering where you are right now. if I'm right you will be at level 0 and shall see something similar to yellow. yes yellow. you might want to explore but just stick to what the arrows say and don't go near any writing on the walls