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Persians Used a Domed Building As Their “Refrigerator” During Ancient Times

Everyone, from royals to the poor, has access to the service.


The refrigerator is one of the most indispensable appliances of modern life. It’s almost unthinkable that a person can live without one or at least have other means to keep their food refrigerated. So imagine what life was like during ancient times when electricity was still unheard of.

But such is the ingenuity of our ancestors that they managed to come up with ways to survive without such appliance. Around 4th century B.C., ancient Persians already have their own “refrigerator” in the form of a building called yakhchāl.

It’s not actually surprising that Persians came up with something like this, considering that they are one of the cradles of civilization.

The yakhchāl looks like a burial ground at first look, but it was actually an “ice pit” where Persians can store their food during the summer months.

Given the excessive heat and arid climate of the region, the yakhchāl was indeed a tremendous help for the people.

Inside the domed structure was an evaporation cooler system that kept the perishables to stay cool or frozen while stored underground.

So how did the Persians manage to get ice in the structure? The cooling system worked through windcatchers and water fetched from nearby springs via qanāts, which are underground channel systems designed to bring water through communities and facilities.

The system allowed decreased temperatures to develop inside the yakhchāl.

The walls of the structure were built using a special type of mortar that brought insulation from the desert climate.

The mortar was composed of an interesting mix of components such as sand, clay, egg white, and goat hair.

The yakhchāl also had trenches at the bottom that collected water coming from molten ice. The water gets refrozen at night, contributing to the cold inside the structure.

The system is not being used anymore although some of the yakhchāls can still be seen across Iran and a number of its neighboring countries.


Collectors Restore Ten-Foot Early World Map Revealing Unicorns, Mermen And Lizard People

Experts considered the ancient map advanced for its day.

Four hundred thirty years ago, in 1587, cartographer Urbano Monte created a world map depicting the Earth as how people in that time have understood it. It came with 60 individual sheets put together as an atlas of the world. And for the first time, the each of the sheets has been scanned digitally and put together to reveal a large early world map, measuring over nine feet by nine feet.

Not much his known about Monte but his work was fascinatingly done in great detail and experts believe it's quite an advanced map made during that era. The map was digitally restored by David Rumsey, founder of David Rumsey Map Center at Stanford University, with the help of his nephew.

David Ramsey and nephew Brandon worked on digitally restoring Urbano Monte’s early world map.

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35 Rare Photos From History and the Stories Behind Them

These are all incredible moments from the past that will leave you speechless!

The world is filled with rich histories of discovery, inventions, and even heartbreaking moments. All of these, however, contribute to the state of the world as we know it. Hence it is always exciting to revisit the past – even through photos – to cherish every captured moment.

Thanks to these images, we can be witnesses to these big events in the past. Elite Readers have collected a list of archive photos that will give you a look-see of yesterday. Check them out and get ready to be in awe!

#1. Irish children jeer at British troops in Derry, Northern Ireland, 1972.

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Ruins of Mysterious 3,000-Year-Old Castle Found at the Bottom of Turkish Lake

The underwater ruins may have been home to the ancient Urartu civilization.

Historians, researchers, and divers were surprised and blown away by the incredible remains of a 3,000-year-old castle recently discovered at the bottom of Turkey’s Lake Van. The ruins were found during underwater excavations by a team of divers from Van Yüzüncü Yıl University.

Experts' popular opinion claims that the ruins were once a fortress built by the ancient Urartu civilization, which existed during the iron age (9th-6th centuries B.C.). The Kingdom of Urartu thrived in the south of the Black and the Caspian seas, mountainous region of southwest Asia, an area that today covers Armenia, northwest Iran, and eastern Turkey.

During the time of Urartian dominance, the level of Lake Van was hundreds of feet lower.

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