From left to right:

Front façade, ca. 1096-1100; spires 13th century.
Source: Wikimedia Commons / Photo: Viault / CC3.0
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Aerial perspective from northeast.
Source: Wikimedia Commons / Photo: Roi.dagobert / CC3.0
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Exterior perspective of east façade.
Source: Wikimedia Commons / Photo: Badseed / CC3.0
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Belfry detail.
Source: Wikimedia Commons / Photo: PMRMaeyaert / CC3.0
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Interior, nave.
Source: Flickr / Photo by Allie_Caulfield / CC2.0
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Floor plan.
Source: Wikimedia Commons / Public Domain
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