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Psychedelic Retreats in Barcelona

Situated in the northeast of Spain, Barcelona is close to France as well the Pyrenees and is home to many psychedelic retreats. Barcelona is the second most populous city in Spain after Madrid with 1.7 million inhabitants in the city proper, and over 5 million people in the metropolitan area of the city.
Barcelona is one of the oldest cities in the world and it is said that Hercules founded the city 400 years before Rome was built. This place, on the coast, was ideal for settlers, and some ruins have been found dating earlier than 5000 BC.
Barcelona is known as a city of parks and has the largest metropolitan park in the world, Parc de Collserola, which measures is 84.65 km² / 32.4 sq mi large, and is 22 times larger than Central Park, in New York.