It's an ancient tradition in Denmark to light huge bonfires on midsummer's eve to ward off evil, but in the 1920's people started placing a witch made of cloth and straw on the bonfire. It's believed that the bonfire will give her an extra magical push that'll help her fly all the way to the Brocken mountain in the Harz region of Germany where she can party with all her witch friends.
Nobody knows for sure, but it's speculated that the idea to place a witch on the bonfire was a suggested by German workers in Denmark, and that's why they fly to Germany.
See more of Germany Denmark
23rd of June