I WONDER - What Is A Troll?

The video explores trolls as mythical creatures found in various cultures' folklore, focusing on their depiction in Scandinavian folklore. Trolls are often seen as large, strong beings living in cold, rugged areas like mountains and forests. They are characterized by their hairy bodies and tough skin, which is often greenish or grayish.

In which cultures do trolls appear according to the text?

How is the skin of trolls described in the text?