the video shows a starry sky with a castle in the middle of it

is an animation of a fantasy world with a city and a tower in the sky. the city is surrounded by a river with a lot of water in it, and there are many stars in the night sky. the tower is tall and made of stone, and it has a lot of windows. there are also many buildings in the city, and they are all made of stone. in the background, there is a mountain range with a lot of snow on it. the scene is very beautiful and colorful, with a lot of blue and purple colors.