How this wires has been pulled?

[Mixmaker]

Hello everyone! Does anybody know how this 3 cables from loft has been pulled down to first and ground floor,if the coming through 3 holes in the wall.?Is there any specific method of pulling wires?Please help. Thank you very much.

 

[Mixmaker]

Can you see anything else under that insulation?

No i can't see anything

Do they disappear into a flat tube behind the plasterboard in the room below?

The are behind the plasteboard, for example in my flat on first floor.

 

[DPG]

So I think your question has been answered then? Daz

 

[Mixmaker]

I just find out that there is some plastic covers between stairs, can wires be understairs and go in to the flat?