Ok 1. Take the torches block up the hole...

2. Remind urself why u spent redstone on redstone torches trying to make a herobrine tunnel...

No no no, this is a new world. like i had just made a new one, and i wandered a bit to find a cave and found this

GO IN THROUGH THE DOOR!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! what seed btw and what platform?

On xbox and idk what the seed was

Did you delete it?

No

Then you can check the seed

You go into world edit and scroll down. Seed is below the world's name and a few other things

How do you open that on Xbox?

You press the button to the right of you world. It is right next to the world