And let's zoom in a little bit more. I have another map here. So let's zoom in to this map right over here to give us a clearer picture of what's about to happen in this next Persian invasion. So just to reorient ourselves, here are the land forces. And according to Herodotus and historians of that time, they numbered this force in the potentially millions of soldiers. Modern historians think it was closer to 50,000 to 300,000. We really don't know.