How to get to the back garden wall through the biochemical desert of the fire line

Find the right corner, squat and jump, press ADAD back and forth and fall.

Then turn around and quickly press W+CTRL to go in completely.

Then move forward a little, point the mouse at the sky, go to about 3 steps and press Jump, and then jump to the wall.

Then press Jump again. ...

Jump to the highest place and you can move forward!