Draw buildings in shadows with thicker traces, and buildings in light with thinner lines. Check out it oneself: draw a circle, then go around the bottom of it with a heavier line and immediately it gains volume and appears like a ball. Their ink consistency may differ from thick https://howtodrawwithinkpens39371.blogerus.com/58851342/5-easy-facts-about-ink-pen-drawing-techniques-described