Draw buildings in shadows with thicker lines, and structures in light with thinner lines. Try out it on your own: draw a circle, then go in excess of The underside of it with a heavier line and right away it gains volume and seems like a ball. Overlapping Strokes: https://marcoxjipm.articlesblogger.com/59306491/the-smart-trick-of-ink-pen-drawing-techniques-that-no-one-is-discussing