Tbilisi is a significant industrial, social, and a cultural center and is emerging as a major transit route for global energy/trade projects . The city is located along one of the historic Silk Road routes and plays an important role as a trade/transit center due to its strategic location at the crossroads between Russia's North Caucasus, Turkey, and the Transcaucasian republics of Armenia and Azerbaijan. In recent times, Tbilisi is known for the peaceful Rose Revolution which took place around the city's Freedom Square. The city has a number of important landmarks and sightseeing locations. The parliament buildings of Georgia and the Court of Georgia are all located in the center of Tbilisi. The city also has important cultural landmarks such as the Tbilisi State Conservatoire, Tbilisi State Opera Theatre (Paliashvili Opera House), Shota Rustaveli State Academic Theatre, Marjanishvili State Academic Theatre, the Sameba Cathedral, the Vorontsov's Palace (also known as the Children's Palace today), many state museums, the National Public Library of the Parliament of Georgia, the National Bank of Georgia and other important institutions. Other of the city's historic landmarks, the most notable locations are the Narikala fortress (4th century-17th century AD), Anchiskhati Church (6th century, built up in the 16th century), Sioni Cathedral (8th century, later rebuilt), and the Church of Metekhi.