Anyone who has read Dan Brown's "Angel and Devil" must not forget the Vatican nation full of interesting secrets.

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The Vatican is the smallest sovereign state in the world, with an area of ​​0.44 km2, located in Italy.This country only has streets without highways.

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With many important documents written in Italian, the Vatican has no official language.Residents speak Italian, English, French, German and Spanish.

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The Vatican recognized on the theory that extraterrestrial life could exist and even issued an official statement.This was announced by Father Jose Funes, head of the national observatory in 2006. However, they also said that no matter what kind of life it is, God was created.

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Not only is the smallest in the world, this is also the country with the smallest population with only about 1,000 people.

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The Vatican has a post office with its own stamp.Interestingly, the country's correspondence system is quite popular because the service is faster than the Italian system.In addition to souvenirs, postage stamps are one of their main sources of income.

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Radio station is located in a tower in Vatican Gardens broadcast in 20 languages.

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The Vatican City is recognized as a World Heritage Site by UNESCO, the only legacy that encompasses a single nation. People in Italy can support 8% of their annual tax payments to the country.

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In 2007, the Vatican decided to become the first carbon-free country.They neutralize carbon emissions by planting a forest in Hungary.

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Historical documents reveal St. Peter's crucifixion near the Neronian garden and buried at the foot of the hill, just below the church's main altar bearing his name.Excavations that took place between 1940 and 1957 identified the possible tissue of his.

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This is a tyrannical monarchy with the head of the pope.

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The new church was built on the foundation of St. Church.The first Peter took 120 years to complete the rough part.The plastering, more sculptures, paintings and mosaics continued for another 200 years.

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The dome of St. ChurchPeter was designed by Michelangelo, with a height of about 122 m and a diameter of more than 42 m.

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St. ChurchPeter is in the form of a cross, 213 m long, the widest up to 137 m, with a total area of ​​1,700 m2.

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The graveyard under the church is a burial place for popes, including Saint Peter (the first pope of the Vatican).

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The palace consists of many connected buildings, totaling more than 1,000 rooms.In the palace there are apartments, chapels, museums, meeting rooms and government offices.

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The Sistine Chapel designed by architect Giovanni dei Dolci.The decoration and interior part was done by Pier Matteo d'Amelia, Michelangelo, Raphael and others for 60 years after the chapel was completed.