Underground arch 

Jean Grandjean rendered "Underground Arch" with ink and brush in the 1700s. The drawing's somber monochromatic palette and stark composition evoke an atmosphere of depth. Grandjean uses a systematic approach to space. The arches are not merely architectural features but function as visual signifiers, their repetition creating a sense of infinity. The perspective, though skillfully rendered, destabilizes any fixed viewpoint, suggesting an almost labyrinthine structure that defies easy navigation. The contrast between light and shadow is not just descriptive but also plays a crucial role in how we perceive the structure. The shadows are not merely absences of light but substantial forms that interact with the architectural shapes. Through its formal language, the drawing engages with broader philosophical questions about space, perception, and the sublime. It's an invitation to reflect on how we construct meaning through visual and spatial experiences.