Portugal trains – Porto – Coimbra – Lisbon Hey guys, Bit of a small and boring question, but just want to know how best do it. So I’ll be in Porto in July and fly outta Lisbon. I will catch the train to Lisbon but I wanna leap off at Coimbra to look around for half a day or so, and then jump on a train to Lisbon in the evening. 1) Do I book these two trains? 2) Do I just jump on and of…