Lisbon is one of the oldest cities in the world, predating other modern European capitals like London and Paris by centuries. Like Rome, it is built on seven steep hills overlooking the Tagus River. The city is famous for its iconic yellow 'Remodelado' trams that navigate the narrow, winding streets of the historic Alfama district. A defining moment in Lisbon's history was the Great Earthquake of 1755, which, followed by a tsunami and fires, destroyed much of the city. The subsequent reconstruction led by the Marquis of Pombal resulted in the 'Pombaline' style, featuring the world's first earthquake-resistant buildings. Lisbon is also the birthplace of Fado, a melancholic genre of music that is part of UNESCO's Intangible Cultural Heritage. Its proximity to the Atlantic Ocean made it the epicenter of the Age of Discovery, from which explorers like Vasco da Gama set sail to map the world.