A good approach for these types of sketches is Multi Point Perspective. Watch these videos to understand how to first sketch major elements then move to minor objects such as background, trees or greens.
Landscape Sketch using Multi Point Perspective
Choosing Dense Colour technique with Faber-Castell colour pencils to do rendering for this type of view/sketch is a smart move. Happy Learning!
How to Sketch a Landscape Tutorial
This is another Landscape tutorial that is highly requested! Always try to sketch major elements in your sketch then move to minor objects such as the background, trees or greens. We highly recommend that you watch the Multi Point Perspective playlist in our channel to understand the concept of using Perspective. Good Luck!