My advice. RESTRICT THE SCENE TO SOMETHING SIMPLE. Look for the INTERESTING feature in a scene and draw that. You can always add to it in another drawing. Plus, make a few 'Ideas' sketches, to get the feel for the drawing and the scene you want to paint.
Here's what I mean:
(courtesy Google Street View)
Where to begin - so I moved along the road a bit and happened upon this:
(courtesy Google Street View)
It was tempting to draw the seated statues to the right, but then I thought the doorway looked lovely - an interesting shaped porch, shadows cast across it - Yes, this is the scene for me....
Still a sketch of the original scene, but simplified.