World Generation

Greetings! Could you make the generation of the world more realistic. That is, so as not to have these frequent hillocks. And then because of this view is everywhere the same, that in the mountains, that on the plain. Make the land more flat in some places. And the mountains make it more cumbersome to look like mountains, and not a big hill. For an example I will result a photo. As you can see, the earth is flat with smooth transitions