I've long wondered if royalty makes any sense in the 21st century and how modern Spaniards could embrace a king in 2016. Here, with my Madrid guide, Cristina, I share a few lessons she taught me.
This is Day 6 of my 100 Days in Europe series. As I research my guidebooks and make new TV shows, I'm reporting on my experiences and lessons learned in Portugal, Spain, Italy, France, Bulgaria, Romania, and beyond. Find more at blog.ricksteves.com.