Let's take a deep dive into the Paris Rose Line. This is an updated re-release of the time I did another A to Z season, where A was for Arago, the name of the scientist who helped map out the Paris meridian line (François Arago (1786-1853)).

In this episode, I explored the "Rose Line" (as it was called in the Da Vinci Code), sought out the bronze medallions along the streets of Paris, through the Louvre, and into the Paris Observatory.

Featured is the voice of Nicolas Lesté-Lasserre, a science historian and the community manager of the Observatoire de Paris. He showed me around this incredible 17th century institution, which is usually closed to the public.

Find more, including beautiful pictures of the observatory, on The Earful Tower's website.

The episode in this music is from Pres Maxson, featuring an original song called Le Meridien de Paris.

This episode brought to you by The Earful Tower Tours. Come join us in the Marais, Montmartre, or the Latin Quarter. Our Walking Tours are exceptionally highly rated online and are the best way to experience this podcast in real life.

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