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I feel that, not only because of being my country, but Spain could be visited and be home to one or two legs (we've only had a walk-through in TAR3 and half leg in TAR10 in here). I don't feel Madrid is a great place for a leg, it's too industrial, maybe. Barcelona is great, but already visited. I'd go with Valencia & Sevilla, for example.
I would love a visit to Italy, Turkey, some Kenya, Norway/Sweden/Finland maybe... I don't know.