Learn how to make a low poly cliff in Blender 2.8

Winglett Entertainment shows how to achieve a nice bit of low poly modeling in Blender 2.8. This tutorial only covers the cliff – not the vegetation as shown in the image.

Winglett Entertainment shows how to achieve a nice bit of low poly modeling in Blender 2.8. This tutorial only covers the cliff – not the vegetation as shown in the image.
Once you pressed enter, and everything was orange …. what did you press then to only select the middle bit (when only middle bit goes grey?