The theft of rhino horns from Western museums is driven by a mixture of medieval superstition and a booming Chinese economy. Western economies are no longer booming, but keeping rhino horns in our museums is as medieval as it gets. Get rid of them.

The air is acrid and the flames are scorching the grass around this huge bonfire. I am in Gabon, central Africa, watching tonnes of elephant ivory go up in smoke. There are 1,293 elephant tusks and a huge amount of confiscated ivory that has been carved into a myriad of products fuelling the fire.

A specialist police unit that fights wildlife crime is joining forces with an animal charity. The Metropolitan Police's Wildlife Crime Unit (WCU) i...