Not a paid advertisement. If this is your first trip to Barcelona, the two-day hop-on-hop-off bus tour is your best bet to get the most out of the city. I have done similar bus tour of many urban areas, such as DC, New York, Toronto. Barcelona bus tour was the best. I think it has to do with the size and traffic of the city, and the amount of attractions that pack into the tour. Plus, you get a good orientation of the entire city. It is well worth the price. Plaça de Catalunya is a hub of culture events as well as transportation. The tour bus starts on the…