Draw a tall vertical rectangle in the center for the main structure
Add a large arched opening at the bottom center
Draw a smaller arch shape inside the main arch to define the entrance
Sketch two side pillars attached to the main structure
Add a wider top section above the arch
Draw a flat roof line across the top
Add a small central dome or cap on the top
Draw the side edges of the monument with slight tapering
Add horizontal lines to show the layered stone sections
Sketch the base platform beneath the arch
Draw steps or a low foundation at the bottom
Add small details around the arch and roof edges
Outline the entire structure with clean, dark lines
Erase extra sketch lines
Shade the monument lightly to show depth