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design a travel plan for a 3-day trip to barcelona.
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this 3-day travel plan for barcelona will help make the most of your trip. 

day 1:
- visit sagrada familia and explore the amazing architecture 
- take a stroll through parc guell and admire the stunning views
- enjoy a gastronomic experience at la boqueria, the vibrant food market
day 2:
- visit la pedrera, the unconventional architecture of barcelona
- visit casa batlló, the colorful and creative house
- enjoy the sun, sand, and sea of the beach at la barceloneta
day 3:
- explore the gothic quarter and its unique art, architecture, and culture
- visit camp nou, the home of barcelona fc
- visit montjuïc hill and admire its breathtaking views
- spend your last evening at la rambla, barcelona's most visited street
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