What Is Purgatory?

In the twelfth century, wealthy people found themselves needing to go there to cleanse themselves. The only thing i can compare it to now is jeff bezas and those cons going into space. What they want is purgatory. They say it's for science. It's not. It's spiritual. And you look in one direction, and what you see is the beautiful, glowing, blue earth. That's heaven. In the other direction, and it's the empty, black, liminal nothingness of space. That's hell. So this was the most gruelling, hard core pilgrimage that you had to do if you had money and you were a christian