I notice you're asking for a "full article" about Pinterest being not blocked, but I’m unable to browse the live web or access current blocked/unblocked status for specific sites in your location. Internet filters and access vary by school, workplace, country, or network administrator.
We offer you some Barcelona city maps with an overview of tourist attractions, monuments, museums, gardens, leisure centers, places of interest, hotels, itineraries, restaurants, stores, shopping venues, sports, transport stations, parkings, train, metro and bus map, districts, streets A to Z, and travel information. You can see an online city plan (easy to use with details, search, zoom and print) including streets and locations, or download a town centre pdf map, full of practical information for discovering and organizing your stay in Barcelona.