Q: Which city is known as the "Eternal City"?  

Amsterdam is the capital of the Netherlands. It is the largest city in the Netherlands, with a population of over 850,000 people. Amsterdam is a major financial and cultural center, and is home to a number of famous landmarks, including the Anne Frank House, the Rijksmuseum, and the Van Gogh Museum.

The North Sea lies to the north of the Netherlands, forming an important maritime boundary. The North Sea is a part of the Atlantic Ocean and plays a significant role in the Netherlands' economy, providing opportunities for fishing, shipping, and offshore energy production. The coastline along the North Sea offers beautiful beaches and recreational activities.

Rotterdam is famous for its modern architecture and iconic Erasmus Bridge, which is a symbol of the city's innovative spirit. Rotterdam is renowned for its skyline, characterized by striking contemporary buildings, including the Cube Houses and the Markthal. The city's architectural achievements have earned it the reputation of being a hub of modern design.