"pattern geometry"

#13172600

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172603

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172608

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172613

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172615

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172616

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172617

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172619

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172621

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172622

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172623

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13172625

9 January 2026

The mosque of Ibn Tulun is commissioned by Ahmad Ibn Tulun, 'Abbasid governor of Egypt. Construction begins in 263 AH/876 AD and finishes in 265 AH/879 AD. It is located on Jebal Yashkur (in modern-day Ahmad Ibn Tulun Square, Sayyida Zaynab). The mosque is distinguished by its spiral minaret, which echoes the designs of the al-Abbas mosque in Samarra, Iraq. The arches and the windows of the mosque's courtyard contain stucco designs of geometric and floral patterns. A water fountain is positioned in the center of the courtyard, surmounted by a dome supported on marble columns. The interior of the mosque contains six mihrabs in Cairo, Egypt, on January 9, 2026.

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#13154896

4 January 2026

A stylized European Union logo and flag and complex geometric reflections of neighboring buildings and street furniture appear on the glass panels of a Government Building in the European Quarter in Brussels, Belgium, on December 16, 2025.

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#13154897

4 January 2026

A stylized European Union logo and flag and complex geometric reflections of neighboring buildings and street furniture appear on the glass panels of a Government Building in the European Quarter in Brussels, Belgium, on December 16, 2025.

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#12864374

15 October 2025

Two men walk past a building with a colorful vertical facade that casts strong shadows on the pavement in Munich, Germany, on March 3, 2022.

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#12864238

15 October 2025

A man walks along the sidewalk in front of a brightly colored modular building with red, yellow, pink, and turquoise panels in Munich, Bavaria, Germany, on February 27, 2022.

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