>>211910959
it's no really codified I feel like every place has its own take, as long as it features a bonfire I suppose. But it's a remnant for the pagans days.
Like the burning of Mr. Carnival. (this is already not very glamour), gauls would trap people in human effigies and burn them so maybe that's the origin.
https://en.wikipedia.org/wiki/Wicker_man