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Palermo - Wikipedia
Palermo - Visit Sicily
36 Hours in Palermo, Italy - The New York Times
15 Best Things to Do in Palermo (Italy) - The Crazy Tourist
Palermo | History, Attractions, Map, & Facts | Britannica
Must-see attractions Palermo, Palermo Region - Lonely Planet
Visit Palermo: Top 21 Things to Do and Must-See Attractions
Palermo travel - Lonely Planet | Sicily, Italy, Europe
Palermo – Travel guide at Wikivoyage
Exploring Palermo: The Ultimate Guide to Sicily's Capital