We are considering taking the bus from the Algavre region into Seville, Spain during our upcoming trip to Portugal. We've never taken a two-country trip to Europe before and were wondering whether there is anything we should know about crossing the border? From what I can gather, though we plan to rent a car for driving around the Algavre, it is better to take the bus than drive ourselves to Seville (I saw an outdated looking website saying there was bus service between the Algavre and Seville, but will need to confirm that this is still the case), correct? If so, is it effortless to cross the border or are there any special considerations? Thanks!