Luca's Old Town Tour: Roman Ruins, Gothic, Jewish & Born

I am the only person running this tour, so no umbrella, no script, no upselling, no Wikipedia. Experience and quality are 100% guaranteed. Gothic, Jewish quarter, and Born are all covered.

Where was the Inquisition based in the middle age?
Have you heard of the medieval practice of Immurement?
Why is Spanish not the mother tongue of the Barcelonians?
Why is the mother of a Roman emperor standing on the highest spire of the Cathedral?
Where did the executioner used to live?
Why were the Jewish quarter and the synagogue major wiped out in 1391?
Why is the Basilica of Santa Maria del mar is known as the Cathedral of the Sea?
What is the origin of the Catalan flag that you can see everywhere in the city?
Did you know that the first superhero of Barcelona was a young teenager?
What is the connection between Sagrada Familia, Eixample, and slave trading?
What’s the most romantic day in Barcelona calendar?
What is the origin of the name of Barcelona?
How did the medieval city cope with the horrible smell in crowded places?
Why do you find an English flag in the city coat of arms?
How come 9/11 is the national day of Catalonia?
Was Christopher Columbus from Barcelona?