Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Palma de Mallorca:

"

Though the period between the fall of the Western Roman Empire and the Muslim conquest is not well understood (due to lack of documents), there is clear evidence of a Byzantine presence in the city, as indicated by mosaics found in the oldest parts of the cathedral, which was in early medieval times part of a paleo-Christian temple.[citation needed]