I was waiting for a long time to visit Oslo. Oslo is one of the most expensive cities in the world, so the options to buy cheap airline tickets didn’t persuade me to go there. The capital of Norway isn’t a large city and the tourist attractions are located mainly in the centre, so I thought that instead of booking the expensive hotel and staying there for a night, it would be better to spend a few hours instead. Unfortunately, as it turned out, flights from Warsaw were operated by Ryanair only in the late evenings. In theory, this fact wouldn’t be any problem for me, because I could sleep…