[Mapping] Mysterious black tiles that don't les me see floors below...

[madnesstein]

Well that's it, look:


Why that part don't look like this?


Also in game i can't see the floors below and dosn't like me :S
Can somebody help me with this?

 

[3l0]

if you go into down you see normal floor?

 

[Cykotitan]

because the floor under is below surface (7)

 

[madnesstein]

because the floor under is below surface (7)

Thankz Cyko, you rulez! Solved =)