Located in the heart of Iran plateau, the city of Yazd was close to the traditional Silk and Spice Roads. Residents of Yazd have been adapting themselves to live in this arid land for thousands of years. By employing indigenous techniques, qanat to draw underground water, Badgir or wind-catcher to cool their houses, people of Yazd have sustainably used their limited available natural resources to survive in the desert.

Yazd is also known as the city of wind-catchers. In the past, every house had wind-catcher and so, a forest of win-catchers could be seen above the roofs. Wind-catchers cooled the inside the houses via even small breezes. People of low income had small two-sided wind-catchers while affluents used to construct bigger four-to-eight-sided ones.

Dowlat Abad garden of Yazd has the world’s tallest wind-catcher reaching to some 40 meters with eight sides.

Yazd has also been hosting plenty of Ab Anbars. Ab Anbar is the oldest desert construction for reserving water. Some Ab Anbars were public and made in neighborhoods but some rich people had private Ab Anbars in their houses. Wind-catchers were constructed above some Ab Anbars to circulate air into the water reservoir and keep the water cool and fresh.

The old city of Yazd having kept its authenticity embraces many elements of Iranian urban design such as old houses, bazaar, water reservoir, and mosque. Each district is shaped in different eras in history. The district of Kushk-e Now is famous for its water reservoirs, hosayniya, and bazaar. The fame of Fahadan district is for its narrow and twisting alleys and authentic old houses. Lab-e Khandaq district is also known for its historical constructions such as bazaar Khan, hosayniya, caravanserai, Sa’at or Markar square in the vicinity of Jameh Mosque of Yazd, and its historic houses.  Ghale Kohneh, Sar-e Dorah, Chahar Menar, Mosallah, and Yaghoubi are among other historic districts of Yazd.

The historic districts of Yazd are fraught with religious elements. The city has long been one of the most religious towns in the country and a center for Zoroastrianism after the arrival of Islam. However, Islam became the dominant religion gradually, and the Islamic rituals in Yazd gained both national and international reputation. Amir Chakhmaq square and Shah Tahmasb hosayniya played central roles in Safavid and Zand dynasties. Nowadays, several sacred places of Muslims, Zoroastrians, and Jews have turned Yazd into a city of various regions, living in symbiotic peace for centuries.

Historic City of Yazd was registered in UNESCO World Heritage list in 2017.

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Water Reservoir – Ab Anbar Haft Badgir – Asr Abad, Yazd Province, Iran
Photo by SeyedMahdiSalehi via Wikimedia Commons / CC-BY-SA-4.0

The importance of water and its storage led to the creation of an architectural structure calling water reservoir (Ab Anbar) which is one of the tourism attraction in Iran. It is an important traditional architectural structure in Iran, a sealed and covered water tank which was built lower than ground level to store drinking water to be used during the days with low storage of water or to have cold water during summer.

One of the most ancient water reservoirs in Iran is next to Chogha Zanbil region (an ancient Elamite complex in Khuzestan province) which goes back to the 2nd century of B.C. and was built upon flourishment of Elam civilization. Building different types of qanats and dams was developed during the dynasty of Parthian and Sassanian which shows a great achievement in techniques used for building structures to store water.

Water Reservoir – Ab Anbar Rostam Giv- Yazd, Yazd Province, Iran
Photo by Meysamwiki via Wikimedia Commons / Public Domain

After Islam, building water reservoirs was developed in the villages and roads where caravans passed over there, by the appearance of cities and new neighbors, the water reservoirs were built next to the mosques, schools, bazaars and governmental palaces as part of a joined architectural complex. One of the most ancient water reservoirs is “Azodi Pool” which was built in Istakhr city in Fars province on 10th A.D. by the command of Adud al-Dawla Deylami. In Iran building water reservoirs was developed after 16th & 17th A. D. centuries.

Different Types of Water Reservoir

The water reservoirs were built either privately (in rural or urban houses) or publically. The most important water reservoirs of Iran are: Seyed Esmail, Saheb Eyvan, Yuzbashi, Imamzadeh Yahya (Tehran), Gholi & Sorkheh (Semnan), Haj Kazem & Sardar (Qazvin) and Mosalla (Yazd).

Depending on the size of water reservoirs, the tanks of water reservoirs are with or without pillar and their section is square, square-rectangle, octagonal or circle. The tanks of mountainous water reservoirs were built by cutting stones with hammer and other required tools and their ceilings were covered but in other regions, tanks were made by digging the ground.

The water reservoirs were connected to the qanats or fountain by canals. Most of the water reservoirs which were located around the roads were filled by spring floods of rivers near them.

Some of the private water reservoirs and most of the public water reservoirs have pashir (a place to pick up water) which is connected to the ground by brick or stony stairs. Some of the public water reservoirs do not have pashir and there are stairs in the tank (from the ground level till its bottom) and water can be directly picked up. There are some other water reservoirs with a low capacity which do not have any stairs and their water can be picked up through a hatch which are directly connected to the tanks.

Ways to keep water cold

Some architectural ways were being applied in order to keep water healthy and cold in the water reservoirs, ways such as building tanks lower than ground level, building thick walls or building wind-catcher over the ceiling of water reservoirs. The wind-catchers play a crucial role in keeping water tanks cold, especially in deserts and southern regions of Iran. The 6-wind-catcher water reservoir in Yazd with the height of 12 meters is one of the most salient wind-catchers.

Water reservoirs have been constantly among the tourism attractions of Iran and currently have been used as dining salons, café, museum and theater hall to be preserved and displayed to others.

Water Reservoir – Ab Anbar Haji Abdol Karim- Yazd, Yazd Province, Iran
Photo by MREZA1977 via Wikimedia Commons / CC-BY-SA-4.0

Ways to keep water cold

Some architectural ways were being applied in order to keep water healthy and cold in the water reservoirs, ways such as building tanks lower than ground level, building thick walls or building wind-catcher over the ceiling of water reservoirs. The wind-catchers play a crucial role in keeping water tanks cold, especially in deserts and southern regions of Iran. The 6-wind-catcher water reservoir in Yazd with the height of 12 meters is one of the most salient wind-catchers.

Water reservoirs have been constantly among the tourism attractions of Iran and currently have been used as dining salons, café, museum and theater hall to be preserved and displayed to others.

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