The Old City of Sanaa in Yemen is one of the oldest cities in the world, continuously inhabited for more than 2500 years. Meaning 'fortified palace', the city is a work of art in itself, & remains one of the greatest treasures of Arabia
A thread on the Old City of Sanaa…
1/ Although an exact date for the establishment of Sana’a is unknown, according to Yemeni legend, it was founded by Shem, one of the three sons of Prophet Noah.
2/ Defined by distinct rammed earth and burnt brick tower-houses, the walled city has been inhabited for over 2,500 years and is home to the ancient pre-Islamic fortress of Ghumdan, a 20-story palace believed to be the world's first ever 'skyscraper'.
3/ Once a seat of government for the early Islamic caliphs, it is today the capital city of Yemen. Its Islamic heritage is reflected in its 106 mosques, 12 hammams (bath houses) and 6,500 houses built before the 11th century
4/ As you step through the iconic 'Yemen Gate', the only one of the city's seven historic gates left standing, you will feel as though you have taken a step back in time.
5/ Like an elaborate work of art in an expansive open-air museum, more than 6,000 houses built before the eleventh century lie within the old city walls, tucked close together and connected by a comprehensive network of narrow streets and alleyways.
6/ The city has remarkably retained its historical ambience and splendor over the centuries and remained unspoiled by modern architecture, maintaining a comfortable rhythm between its traditional architectural fabric and the requirements of modern life.
7/ More than 1,000 years ago & preceding most of the world’s cities, the old city of Sana’a presented a model of green architecture in its 6,500 buildings (UN-Habitat /2020), constructed with local environment friendly materials, such as stones, mud, baked bricks, wood & gypsum
8/ The architectural heritage of Sana'a consists of multi-story buildings decorated with geometric shapes and horizontal bands rendered in gypsum, narrow streets, urban gardens, elegant minarets and imposing monuments
9/ Typical houses in Sana'a rise to as many as nine stories. The lower levels are usually built of stone, and the upper ones of lighter brick. The windows are outlined in white gypsum and have fan lights of alabaster or coloured glass held in gypsum tracery.
10/ The stained glass windows on the houses and buildings in the old city of Sana’a glisten in the night
11/ The Great Mosque of Sana'a (Arabic: الجامع الكبير بصنعاء, al-Jāmiʿ al-Kabīr bi-Ṣanʿāʾ) is an ancient mosque in Sana'a, Yemen, and one of the oldest mosques in the world. The mosque is said to have been founded in the early Islamic period, suggested to be in 633.
12/ The Dar al-Hajar is a former royal palace located in Wadi Dhar about 15 kilometres from Sana‘a. Built in the 1920s as the summer retreat of Yahya Muhammad Hamid ed-Din, ruler of Yemen from 1904 to 1948 it sits on top of a structure built in 1786 for scholar al-Imam Mansour
13/ Take a walk through the incredible Dar al-Hajar
Video credit iheartshahee
14/ Even If the buildings are demolished, the ruins will not be harmful to the environment or health. The construction method of the old city of Sana’a focused on creating large green areas in the outskirts & centers of the city neighborhoods, which are about 69 neighborhoods
15/ In every neighborhood, there is a garden (Mqshama), and in general, there exist around 40 gardens (Mqashama) across the old city of Sana’a. These gardens used to ensure self-sufficiency of homegrown vegetables.
16/ The old city of Sana’a adopted a wonderful technique for environmentally appropriate drainage of water from residential & public buildings, sewage water, as well as water from mosques, which go in a drainage system to irrigate the green spaces centered all the neighbourhoods
17/ The old city of Sana’a retains many environmental features in terms of planning & design that can be applied to modern architecture. Additionally, Old Sana’a has adopted the implementation of environmental practices, recently known as the principles of green architecture.
18/ The city's architecture has been damaged, demolished and rebuilt through flooding, wars and prosperity. Yet, it wasn't until the modernization in the 1970s that the city's architectural fabric was truly in danger of disappearing.
19/ In 1972, the Italian writer and film director, Pier Paolo Pasolini, said, “From the architectural point of view, Yemen is the most beautiful country in the world, and Sanaa is Venice of the Arabia”.
20/ In the early 1980s, at the request of the Yemeni government, UNESCO launched an international campaign to conserve the city. Sana'a city was designated as an UNESCO World Heritage Site in 1988 and given an Aga Khan Award for Architecture in 1995
21/ Sana'a's architectural vocabulary was already well formed by the tenth century when Ibn Rustah wrote that most of the houses "are adorned with gypsum, baked bricks, and symmetrical stones
22/ Take a walk through the the old city of Sana'a and marvel at the architecture
Video credit aanatarik
23/ Recently, heavy rains lashing at the old city of Sana'a, which dates back to ancient times, have caused the collapse of 10 buildings. The preservation of this beautiful ancient architecture for the future generations is so important
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Mariam Astrulabi was a pioneering female Muslim scientist & astronomer, born in Syria during the 10th century. She is known for developing Astrolabes, an ancient astronomical computer for solving problems related to time & position of the sun & stars
A thread on Mariam Astrulabi
1/ Mariam al Astrulabi's remarkable contribution to the art of astrolabes has largely been ignored by the world. What she achieved in the 10th century consequently helped several generations of scientists to explore the concept of time and space.
Astrolabe @HSMOxford
@HSMOxford 2/ Astrolabes were beneficial in determining the position of the sun, moon, stars & the planets. They were used in astronomy, astrology & horoscopes. Muslims would specifically use it to find the Qibla, determine prayer times & the initial days of Ramadan and Eid
Did you know Mosque ceilings are designed to reflect the magnificence of the universe?
Here are spectacular details of 24 Mosque ceilings from around the world…
A thread…
1/ Jami Mosque, Andijan, Uzbekistan
The construction of the madrasah began in 1883 and lasted for 7 years. It has a gorgeous fretwork of wooden columns supporting a ceiling decorated with bright patterns made of a combination of geometrical ornaments & vegetal elements
Construction of the mosque started in 1603 and was finished in 1619. Built by the chief architect Mohammadreza Isfahani, during the reign of Shah Abbas I of Persia. Beautiful interior dome details
Ever wondered who paved the way for the age of algorithms?
It was a 9th-century Muslim genius, mathematician, geographer & astronomer, Abu Abdallah Muhammad ibn Musa Al-Khwarizmi - also known as the Father of Algebra
A thread on the incredible Muhammad ibn Musa Al-Khwarizmi…
1/ Even the term algorithm is Al-Khwarizmi translated into Latin!
The scientist and mathematician Muhammad ibn Musa Al-Khwarizmi lived from 780 to 850 AD in Persia and Iraq.
2/ Al-Khwarizmi's most significant contribution to mathematics was the development of algebra. His book, "Kitab al-Jabr wal-Muqabala" (The Compendious Book on Calculation by Completion and Balancing), introduced systematic methods for solving linear and quadratic equations.
Did you know that the Persian scholar of medicine, Ibn Sina (980-1037) suspected some diseases were spread by microorganisms.
To prevent human-to-human contamination, he came up with a method of isolating people for 40 days.
A thread on Ibn Sina & his impact on modern science…
1/ Ibn Sina, also known to the Latin West as Avicenna, was a Persian polymath and one of the most influential Islamic philosophers, physicians, and scientists of the medieval period. He was born in 980 CE in present-day Uzbekistan and passed away in 1037 CE in Iran.
2/ Ibn Sina's medical works had a profound impact on European medicine. His most renowned work in medicine is "The Canon of Medicine" (Al-Qanun fi al-Tibb), considered one of the most influential medical texts in history. It consists of five books & covers a range of medical topics
‘Traveling leaves you speechless, then turns you into a storyteller’
- Ibn Battuta
The most famous explorer in the Muslim World, Ibn Battuta, travelled more than any other explorer in pre-modern history - around 117,000 km!
A thread on the 14th century explorer Ibn Battuta…
1/ Ibn Battuta was born in 1304 CE in Tangier, Morocco. His travelogue the Rihla is his most important work. His journeys in the Rihla lasted for a period of almost thirty years, covering nearly the whole of the known Islamic world & beyond.
2/ Ibn Battuta travelled more than any other explorer in pre-modern history, surpassing Zheng He with 50,000 km (31,000 mi) and Marco Polo with 24,000 km. His total distance travelled was approximately 117,000 km (73,000 mi) (15,000 mi).
Ismail al-Jazari, a Muslim inventor from the 12th century is known as the "father of robotics" due to his groundbreaking work in the field of automata, which are self-operating machines.
A thread on Ismail al-Jazari, engineering & robotics…
1/ While robotics is considered a relatively new field of science, with the public’s consensus that it is the creation of 20th-century scientists, it would be surprising to know that the field has its roots in the medieval era nearly a millennium ago, with Ismail Al Jazari
2/ Ismail Al Jazari gained fame for his extraordinary inventions, encompassing a wide spectrum of marvels. His repertoire included robots programmed to provide guests with towels, programmable on-off switches for fountains, automated mechanical clocks & much more!
A Candle Clock from a copy of al-Jazaris treatise on automata