All proposals outlined are purely for reference. So they may be modified, added to or removed according to your interests. And remember, if you go with a Barcelona licensed guide you can skip the lines in most of the tourist resources.
– Tours inside the city can be half-day tours (4 hours) or full day tours (8 h).
– Two half-day tours can be done or they can be extended one or two hours.
– Tours can be made by walking, taxis or public transport.
– Tours outside the city usually are full day tours or at least 5-hour tours and some include eating out, but everything can be arranged to the likes of the client.