There aren’t many details available on Amazon’s upcoming Lord of the Rings series. However, Amazon just teased a Middle-earth map on Twitter, and it might give some clues about the show.On Wednesday, The Lord of the Rings on Prime posted its first-ever tweet. It contained a famous quote by J.R.R. Tolkien, the author of The Lord of the Rings series, who said, “I wisely started with a map.” Two days later, this minimalistic map showed up on the series’ Twitter account, and it’s a vast, minimal landscape of mountains, oceans, and lands on Middle-earth. Amazon didn’t disclose a premiere date or casting details for the show yet.