A bustling city skyline is characterized by a dense arrangement of tall buildings, often featuring a mix of modern skyscrapers and historical architecture. These structures are typically made of glass, steel, and concrete, creating a striking visual contrast against the sky. The skyline is often illuminated at night, showcasing the vibrant life of the city. In addition to buildings, a bustling skyline may include various landmarks such as bridges, towers, and monuments. The area is usually filled with activity, with people commuting, businesses operating, and vehicles moving, contributing to the dynamic atmosphere of urban life.