Mysterious Pokemon Video Teases Reveal for Next Week

The Pokemon Company has released a mysterious new video teasing a reveal for July 19.
Check out the teaser, which includes some of the strangest footage from previous Pokemon titles, below:
As noted by Polygon, the video includes footage from Pokemon Platinum, Pokemon HeartGold and Soul Silver, and Pokemon Sun and Moon. While in Japanese, the video's title can be translated to read: "Pokemon Mystery File: A world of Pokemon you don't know."
Several mysterious questions appear throughou