Because we did not have a guidebook or map, we weren't sure what this building was. But a crowd was gathered to catch a glimpse of it.
The Eiffel Tower in the distance -- that seemed like a good direction to walk.
The Seine.
That mysterious building again. With an equally mysterious sign in the foreground. As far as we could tell, it is illegal in France for an adult human to hold a child's hand while they cross the street.