Copacabana is a world-famous beach located in Rio de Janeiro, Brazil. It stretches for about 4 kilometers (2.5 miles) along the city's Atlantic coast, and is known for its wide expanse of white sand, clear blue waters, and vibrant beach culture.

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The beach is bordered by a bustling promenade, which is lined with hotels, restaurants, bars, and shops. The promenade is also a popular spot for people-watching, jogging, and cycling.

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At the beach, visitors can swim, sunbathe, play beach volleyball, soccer, and other sports, or simply relax under the shade of an umbrella. The water temperature is typically warm and inviting, making it a popular destination for swimming and water sports.

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Copacabana is also famous for its lively atmosphere, especially during major events such as New Year's Eve and Carnival. During these times, the beach and its surrounding areas come alive with music, dancing, and fireworks.

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Overall, Copacabana is a must-visit destination for anyone traveling to Rio de Janeiro. Its stunning natural beauty, vibrant culture, and lively atmosphere make it a truly unforgettable experience.