I was reading up on Danish folk dancing, and the description "partner swapping" came up a lot. So much so that it's not unusual for women to end up with women and men with men at some point during a dance.
Also, screaming in each other's faces. There's quite a bit of that.
Danish folk dancing isn't set in stone, so it has become very common to add a bit of Russian flare to make it more entertaining to watch.
All of this can be seen in this video https://www.youtube.com/watch?v=wyJSA7-KHqg
If it feels a bit slow, it speeds up at 2:26
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14th of July