Around London in 80 days : day 1.
November 2018. I leave the National Gallery quite late (it stays opened until 9pm on Fridays and I am taking full advantage of the extra time — I have an exam to prepare after all). I step out onto Trafalgar Square, ready for a brisk walk to the tube and its reassuring warmth. But I’m stopped in my tracks by the spectacle in front of me.