The gaze
This character’s eyes are in line with the horizon, which, by definition, is usually where our gaze falls. So, he faces us directly; his eyes and his face convey pride without being arrogant; we can also perceive his dignity, tranquility, strength, and lack of tension
Deepness
A resource used to give the sensation of deepness is the repetition of shapes that get smaller the further they are, like the diminishing posts that make up the fence.