A row of windows turns sunlight into bands of red, blue and gold. The colours stretch across the floor and climb the columns, making Nasir al-Mulk Mosque feel different from one moment to the next. The building is impressive, but light is an active part of the scene.

This article explores the mosque in Shiraz through its architecture and archive photographs. It is not a recommendation to arrange a trip under current conditions: as checked on 13 September 2026, the UK FCDO advises against all travel to Iran.

Nasir al-Mulk Mosque’s courtyard and façade reflected in a rectangular pool
Coloured light through stained-glass windows at Nasir al-Mulk Mosque

Start with the window, not the rainbow

The famous photographs are made possible by coloured glazing and the direction of the sun. The glass filters incoming light, while the floor and columns provide surfaces on which its colour becomes visible.

Notice how the window pattern and the projected pattern differ. The architecture gives the light a structure, but the angle stretches and shifts it. A photograph freezes one arrangement in a process that continues through the day.

This is why an image should not become a promise of identical colours at an exact time in every season. Cloud cover, the sun’s position and the photographer’s exposure all influence the result.

Look beyond the most shared room

The archive also shows the courtyard, its pool and richly decorated façades. These spaces offer a different rhythm from the concentrated coloured light of the interior.

Try looking at the tilework in smaller pieces. Find a repeated floral form, a border or a change in colour. The building becomes easier to appreciate when you move between the whole composition and the details that create it.

The popular nickname “Pink Mosque” does not mean every surface is pink. It points toward a visual identity within a much wider palette.

A place of worship, not simply a backdrop

Any future visit, when conditions permit, should begin with current official advice and the site’s own access requirements. Religious use, photography rules and local arrangements take priority over reproducing a social-media pose.

The same respect applies when sharing images. Avoid captions that reduce the mosque to a “secret photo spot” or imply that it exists primarily for visitors. Name the place and acknowledge its purpose.

You can learn from its design without making immediate travel plans. Compare how coloured glass changes a room with how a plain opening frames the landscape in The Truffle in Spain. Both use light deliberately, with very different effects.

Let the photographs slow you down

Choose one image and follow a single band of colour from window to floor. Then look at what remains in shadow. The balance between those two areas is often more interesting than simply increasing the saturation.

For another setting where architecture and worship meet, our Saint Simon cave-church guide explores Cairo’s rock-cut spaces. Nasir al-Mulk offers its own enduring lesson: sometimes a building’s most beautiful material is the light passing through it.

Coloured sunlight across the carpet between the mosque’s columns
Stained-glass colours spreading across the floor beneath decorated arches
Intricate pink, red and blue geometric patterns across a vaulted ceiling
Sunlight passing through stained-glass windows beside a row of columns
Bright stained-glass windows above a patterned red carpet
Ornate vaults and arches reflected in the mosque’s glossy floor
Person beside stained-glass windows with coloured light falling across their clothing
Layered vault decoration above blue and pink tiled walls
Close view of interlocking geometric patterns across the mosque’s ceiling
Ornately tiled passage framing a distant courtyard opening

Following the detail through the gallery

Mohammad Reza Domiri Ganji’s photographs let the eye move between the structure of the room and the colour passing through it. Follow a column across successive views: sometimes its form stands out, while elsewhere a projected pattern makes the surface feel almost flat. The change comes from position and light rather than from a different building. Across the sequence, Ganji’s changes of viewpoint reveal the celebrated rainbow effect as one part of a much richer architectural subject.

There are several kinds of colour here. Light projected through glazing moves across the room; tile decoration remains attached to walls and arches; the floor’s own patterns add another layer beneath both. Separating those layers makes the interior easier to read. A bright patch on a column is not necessarily a painted surface, and a patterned area in shadow does not lose its craftsmanship because it lacks the celebrated rainbow effect.

The courtyard photographs provide a useful pause between those concentrated interiors. Water, open sky and the arrangement of the façades show how the rooms belong to a larger building. Viewing the sequence in that order—courtyard, window, column, then a close detail—offers a richer architectural encounter than treating every photograph as another version of one colourful floor.