Clowns: NamuH via Wikimedia Commons.
Mercato di Campo di Fiori: © Jorge Royan / http://www.royan.com.ar /
Berlin Wall: By Berit from Redhill/Surrey, UK (The Berlin WallUploaded by russavia) [CC-BY-2.0], via Wikimedia Commons
Champagne Cellar: Mz via Wikimedia Commons.
Aleppo Citadel: Flickr user Ergo via Wikimedia Commons.
Statue of David Hume: Two Wings via Wikimedia Commons.
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