Water in Iran has long enjoyed great significance and sacredness for a long time. As Iranian engineers have been thinking about water storage since the ages, they built water structures in city centers to keep the water clean and to avoid spoilage and evaporation of the sun during hot summer days. The oldest works of water storage has been found in Iran relates to the Ilami city of Dorantash in Choghazanbil in Khuzestan belonging to the second millennium BC. Water reservoirs were sheltered places for storing water in the tropical cities of Iran, only a few of them were remained during the time and damage the cities such as Kerman, Yazd, Semnan, etc. Water reservoirs were divided into private or public sections depending on the type of users. As the water supply components, we can mention the decorated entrance, staircase and Pashir, water storage tanker, source coverage and venting. The tanks in the water reservoirs were made in rectangular and cylindrical cube shaped. Semnan is one of the desert provinces in Iran, where many water reservoirs can be seen in every cities of this province. Garmsar is located at the westernmost point of Semnan Province, and Garmsar water Reservoir is considered to be the largest water reservoir in this city. The dome of the Garmsar Water reservoir, which is a memorial from the Qajar era, is in a stair cone shape that now with the expansion of the city, became as a square in the city. Air conditioning in the Garmsar Water Reservoir is carried out by ventilation at the top of the dome. Today, water storages have become as one of the tourist attractions of different cities of Iran. The Garmsar Water Reservoir has now been changed to a nice cafe, and if you want to have a different experience from the cafe, this place will be a good choice for you on your trip to Iran and Semnan Province. see the Garmsar Water Reservoir and other historical and natural places of the province with Alaedin Travel professional guides. Book your hotel and airline tickets online on www.alaedin.travel