[4] In December 2000, the Old City of Baku, including the Palace of the Shirvanshahs and Maiden Tower, became the first location in Azerbaijan to be classified as a UNESCO World Heritage Site.

The workers also found a handful of coins of the Soviet period, suggesting that there was somebody in the tunnel before them, but the unknown went down at least 20 years ago.

[12] According to scholar Vitaly Antonov, in the late 18th century Baku was the Caucasian center of the revolutionary movement, and the found underpass was dug to save the governor in case of mass riots in the city.

Synykh Gala was the mosque in the 15th century, in the times of the Shah Ismail Khatai, and was destroyed by the troops of Peter I.

Four hundred years later, another distinguished scholar named Seyid Yahya Bakuvi (born in 1403) founded a Darulfunun (the House of Arts and Sciences, a prototype of a modern university) at the Palace of the Shirvanshahs.

In December 2000, the Old City of Baku with the Palace of the Shirvanshahs and Maiden Tower became the first location in Azerbaijan classified as a World Heritage Site by UNESCO.

Three years later, in 2003, UNESCO placed the Old City on the List of World Heritage in Danger, citing damage from a November 2000 earthquake, poor conservation, and "dubious" restoration efforts.

[14] In 2009, the World Heritage Committee praised Azerbaijan for its efforts to preserve the walled city of Baku and removed it from the endangered list.

[citation needed] The well-known scene of "In foreign country – Istanbul" of "Brilliant hand" was shot in Old City through the decision of Leonid Gayday.

The old streets of Old City, Shirvanshahs' Palace, minarets of mosques and fortress walls appear in the movie.

Situated amongst the Bukhara and the Multani Caravanserais, the Maiden Tower, and Hajinski's Palace (otherwise known as Charles de Gaulle House because he stayed there during World War II), it is a popular destination of Bakuvian students and bibliophiles, mostly because of its low prices.