I loved exploring Oslo with you! When I started reading and looking at pictures my first thought was - 'OMG, is it first slow already in Oslo in September?!" but then text helped me to understand that the journey happened in January, so I'm calm about climate in Norway now :) Looks like you've managed to see a lot for one day and based on your travel tips it will be quite easy to see the city, thank you very much for sharing the story and lovely photos!