These long skulls already exist before birth, so this means that they are not artificially lengthened (as happens in some African tribes). The bone structure of these skulls is also different (can be seen in other videos of this channel).

Elongated Skulls Of Paracas Peru: Latest DNA Testing News

Previous results showed that these skulls in Peru match most with people coming from around the Black Sea. But there are still some unmatched DNA in it, which need to be sought out.