Peter and Ulf fought for the Danes - "I've got a couple of new nice marks in my helmet"

Ulf Jonasson and Peter Fogelkvist are two history enthusiasts who traveled to Gotland and put on their warm combat clothes in the high summer heat.

- You're not wise when you put all this on, but I do it because I think this is so much fun, says Ulf.

In the clip, you can hear him and his friend Peter tell more.