Five years earlier, in 1906, Madame Curie's husband was run over and killed by a horse drawn carriage near the Pont Neuf in Paris.

五年前，也就是1906年，居里夫人的丈夫在巴黎的九桥被马车压过至死。

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Somewhere along the Pont Neuf, we decide to make this Christmas walk a yearly tradition.

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"It's a Parisian tradition for lovers, " says a guide for the Vedettes du Pont-Neuf tour boat company.

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From there, we rode to Notre-Dame cathedral, which we explored before switching to even more exotic transport the Batobus, a boat that not only took us east to the Jardin des Plantes botanic gardens and a zoo (whose tiger Madeline tells, "pooh-pooh") but also beneath the Pont Neuf, the bridge Madeline teeters atop (in the first book) and falls from (in the second).

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