Kolbeh nampa Once the chambers are constructed, they are filled with water, which is allowed to flow slowly through the channels and into the chambers. As the water flows through the channels, it is cooled by the surrounding earth, which remains at a constant temperature of around 15-20 degrees Celsius throughout the year. The cooled water is then stored in the chambers, where it can remain at a temperature of around 10-15 degrees Celsius, even during the hottest months of the year. The water can be accessed by drawing it from a spout or tap that is located at the base of the kolbeh nampa system. The kolbeh nampa system has several advantages over other methods of storing and cooling water. Firstly, it is a highly efficient system, as the water is cooled naturally by the surrounding earth, without the need for electricity or other external energy sources. Secondly, it is a low-cost system, as it can be constructed using locally available materials and labor. The kolbeh nampa system consists of a series of underground chambers, usually constructed in a circular or spiral shape, which are designed to store and cool water. The chambers are typically built in a location that is shaded from the sun and has good drainage, such as a slope or a hillside. The construction of a kolbeh nampa system begins with the digging of a large pit, which is then lined with a layer of waterproof material, such as clay or plastic. The pit is then divided into several smaller chambers, which are connected by a series of narrow channels or pipes. Once the chambers are constructed, they are filled with water, which is allowed to flow slowly through the channels and into the chambers. As the water flows through the channels, it is cooled by the surrounding earth, which remains at a constant temperature of around 15-20 degrees Celsius throughout the year. The cooled water is then stored in the chambers, where it can remain at a temperature of around 10-15 degrees Celsius, even during the hottest months of the year. The water can be accessed by drawing it from a spout or tap that is located at the base of the kolbeh nampa system. The kolbeh nampa system has several advantages over other methods of storing and cooling water. Firstly, it is a highly efficient system, as the water is cooled naturally by the surrounding earth, without the need for electricity or other external energy sources. Secondly, it is a low-cost system, as it can be constructed using locally available materials and labor. Furthermore, the kolbeh nampa system is a sustainable and environmentally friendly method of storing and cooling water, as it does not rely on the use of chemicals or other polluting substances. It is also a culturally significant system, as it has been used for centuries in Persian culture and is still used today in many rural and traditional communities.