This is the 13304th most frequent Polish word.
oryginalnych
"Original" (plural genitive or plural locative form in Polish).
'oryginalnych' is used here to describe the uniqueness or authenticity of the souvenirs in terms of originality.
Udało mi się znaleźć kilka oryginalnych pamiątek na targu.
I managed to find some original souvenirs at the market.
'oryginalnych' refers to the novelty and creativity of the ideas within the context of design.
Projektant umieścił wiele oryginalnych pomysłów w swojej nowej kolekcji.
The designer incorporated many original ideas into their new collection.
'oryginalnych' is indicating that the metaphors discussed are innovative or unusually presented.