The most striking images of 2017

There is an art to rivalry. Mastering its rules has, since ancient times, shaped cultural history over millennia.

More than five centuries ago, a small number of style icons used flamboyant, luxurious looks to give them influence and power during a turbulent period of Italian history.

As Wicked: For Good is released, what are the historic meanings of conical headwear, and how has it evolved – from its ancient origins to the empowered Elphaba?