Curious Traveler

Curious Paris (2x1)

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Why does Paris look like Paris? Why were the Eiffel Tower and the Pont Alexandre III built for World Expos? Why is the Opera Garnier so ornate? Why is there a Romano-Byzantine Basilica atop the highest point in Paris? Why are the streets so windy in Montmartre? Why was a famous cabaret built inside a red mill: the Moulin Rouge?