Isn't Gelato like an Italian Ice Cream? I remember getting some from Pizza Express when in London (close to the Millenium Bridge)
I read that little part in Harry Potter about the bridge. It says:
The bridge was less then 10 years old, and the best experts were at a loss to explain why it had snapped cleanly in two, sending a dozen cars into the watery depths of the river below
Now not only was the Millenium Bridge built after the timeline, but it's a pedestrian only bridge -_-