Persia was well ahead even 2500 years ago.
At the bottom of the island of Kish in the Persian Gulf is an incredible city এক a As a tourist center
The island is very well known Below this is 10
An underground city of thousands of square meters,
Named "Karij", the city dates back 2,500 years.
This place was a reservoir of pure water. The inhabitants of that time built it as a reservoir for water conservation and purification That city in the barren area was one of their livelihoods Cultivation was also done ঐ with water The city was built 2500 years ago
There are 6 wells covering an area of 14 km
There were three levels of purification. The water stored in the well was automatically filtered, filtered in a three-tier filter.
The first level
The first of the three layers of coral, where large substances get stuck, absorbs the acidity of the water.
The second step
The second layer is made of clay, the smaller substances are trapped here
The last level
The third and final layer is made of a special type of clay called 'marn', in which finer substances are trapped.
Different levels of water would be used. One level of water was used for different purposes Water would be collected through tunnels. There are also underground tunnels Pure drinking water at the lowest level could be collected in small boats
Technology has improved over time, and the city has been lost However, modern technologists think that the water purification technology of that time was quite good Start rediscovering the hole this time. The city was rediscovered in 1999 during the construction of a shopping complex in the area The lost city needs reform. So instead of tearing down the city, the developers decided to renovate the old city Historic coral reefs still exist, but parts of the tunnel have collapsed, which has been renovated.
Old-new matching decisions.
Restaurants, tea shops, amphitheaters, conference centers and galleries have been built to keep the old town intact. It is like a combination of old and new
Now famous tourist destination. The city, located 16 meters below the surface, attracts a large number of tourists every year.