For 10 points, name this home of the still incomplete Sagrada Familia, second largest city of Spain and capital of Catalonia.
Major motorways passing through this city include Diagonal Avenue and Meridiana Avenue, and it is served by Sabadell Airport. The plain on which this city rests is bounded to the north by the Besos River, to the south by the Llobregat River, and elsewhere by a ring of mountains peaking at Tibidad. On April 23, the feast day of St. George, this city hosts a large book fair. In 2008, the AVE high-speed rail was extended to this largest metropolis on the Mediterranean Sea, which contains the Palace of the Generalitat. A mosaic salamander can be found in Park Guell in this city, built by the architect of its Casa Mila. For 10 points, name this home of the still incomplete Sagrada Familia, second largest city of Spain and capital of Catalonia.
Major motorways passing through this city include Diagonal Avenue and Meridiana Avenue, and it is served by Sabadell Airport.
Barcelona