The first full trailer for House of the Dragon has been released on HBO Max’s YouTube channel. It is a direct prequel to Game of Thrones.
english trailer

Russian trailer

In the video itself you can see huge dragons, the main characters of the show, locations and much more. The plot will tell of the civil war between the two branches of the Targaryen for supremacy in Westeros. House of the Dragon is based on George Martin’s book Fire and Blood and is set 200 years before Game of Thrones.
The series will premiere on Amediatek on August 22, the day after launching on HBO Max. At the same time, the project has already been given a “green light” for the second season, although the first has not even been released yet. Keanu Reeves admitted he dreams of playing Batman
Source: VG Times