It means there's no communication. An invisible wall ("muro invisivel") between two people means that they are not talking between themselves ("talking" being not an act but pure non-understanding).
The Invisible Wall - 1947 was released on: USA: 15 October 1947
The Invisible Wall - 1947 is rated/received certificates of: USA:Approved (PCA #12541, General Audience)
The cast of The Wall Invisible - 1918 includes: Wanda Hawley Shirley Mason Matt Moore
where you have an invisible wall, there is a invisible stair case you go up and then to the right.
The writing on the wall? Air?
"Portuguese" can refer to the language spoken in Portugal and many other countries, as well as anything relating to Portugal or its people.
that is not a Portuguese word.
This is an unknown name in Portuguese.
THAT AINT PORTUGUESE! o.o
Tecora is not a portuguese word.
HARRY BERNSTEIN has written: 'INVISIBLE WALL'
well, i don't really understand what you mean by portuguese school, but if you mean how does school translate into portuguese, then it's "escola".