How to animate a static image using three.js & webgl (make the trees sway)?

Question

JavaScript

Good evening, who can help with the question of aminating a static image. I have a background image on the site.

I want the animation to be as follows: there is a slight swaying of the trees, as well as the movement of the clouds. Thanks in advance

Answer 1

https://youtu.be/YEYmYI7ZpQc
That's it.

Answer 2

It seems to me that with your understanding of computer graphics, it's too early for you to take on three.js.