sentences:  A picturesque feature of the town centre is the sixteenth-century house-lined bridge (the Pont de Rohan) across the Elorn.The Pont de Rohan was the most downstream crossing of the Elorn River until 1930 and the construction of the Pont Albert Louppe near Brest.The town is also known for its moon, La Lune de Landerneau (the Moon of Landerneau).