How to publish the data of a child site on the main one?

Question

SharePoint

Good afternoon,
There is Sharepoint 2013.
The task was to publish the library of files of a child site on the main one. I could not find anywhere how to access the elements of a child site from the main

Answer 1

I don't believe no one has done this.

Answer 2

For such scenarios in the 2013 version, there are a lot of solutions:

• Search Query Web Part show anything, anywhere.
  
• Or look into the past, then there is still such a web part as the Content Query Web Part.
  
• Cross Site Publishing works using the Search engine, if necessary, from different site collections, there is a lot of information on the Internet on how to use it.