The way that light and dark create shadows is the same in both art and real life.
Vincent van Gogh
Impasto is a technique used in painting, where paint is laid on an area of the surface in very thick layers, usually thick enough that the brush or painting-knife strokes are visible. Paint can also be mixed right on the canvas. When dry, impasto provides texture; the paint appears to be coming out of the canvas.
Answer:
If i were you i would draw the person first and focus on the basic outlines of the bull and Europa and keep the background simple! hope this helps : )