What is the history of passports?

Have you ever wondered what that little blue booklet your parents keep safely locked away is for? It is a passport, and it is basically the ultimate global permission slip! Join Mira and Finn on a globe-trotting adventure as we unlock the amazing history of passports. We will travel all the way back to ancient Persia in 450 BCE, where a traveler used a special wax-sealed letter from a mighty king to stay safe from bandits on a thousand-mile journey! Then, we'll fast forward to medieval Europe...