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Palermo - Wikipedia
A local’s guide to Palermo, Sicily: 10 top tips - The Guardian
Palermo - Visit Sicily
36 Hours in Palermo, Italy - The New York Times
History of Palermo - Wikipedia
Palermo | History, Attractions, Map, & Facts | Britannica
Visit Palermo: Top 21 Things to Do and Must-See Attractions
Must-see attractions Palermo, Palermo Region - Lonely Planet
Palermo: Sicily Tourist Guide | Italy Heaven
Palermo travel - Lonely Planet | Sicily, Italy, Europe