Now the Persians really are not having good luck with weather whenever they try to attack Greece. They face a storm and about a third of their fleet is destroyed. And so up here, they're left with about, and these are all approximate. Remember, this happened over 2,000 years ago, roughly 2,500 years ago. So it's amazing that we know anything about it at all. And obviously we have to rely on Herodotus and whatever historical accounts we can find. So the Persians are invading by land and sea.