In this Preliminary Study for a bridal procession, Carl Haag uses the camel's eye as the vanishing point of the scene. The eye level of the viewer is drawn horizontally through that point. That line describes a plane about eight feet above the ground, approximately two feet above the heads of standing adult figures. Related Articles Revive Your Morning: NAC Hangover Cur… Nothing Phone 2a Sells 100,000 Units … Gericht entscheidet über Gasfeld-Ers… Larsa Pippen Biography, Age, Children… 5 Things Getting Bigger When No One 

Sketch for the lower half of A Bridal Procession at Damascus, Haag, Carl R.W.S (1820 - 1915), Syria (drawn) ca. 1892 (drawn)

Using pen and ink for studies is a method that goes back to the old masters. The shadow values are suggested with simple brown washes. It's a good practice because it forces you to commit to an idea and see it through.

Carl Haag, Wedding procession in Damascus

When it comes to doing the final painting, you may choose a completely different idea.