Thanks to the great astronomer Nicolaus Copernicus and to the flavor of the famous Torunian gingerbread as well as to the charm and character of one of Europe’s most beautiful old towns, Toruń is a city widely known in Poland and also far beyond its borders. Toruń’s historic core, represented by its well preserved complex of medieval architecture and the original urban layout, was included on UNESCO’s World Heritage List in 1997.

(http://www.poland.travel/en/unesco-sites/medieval-town-of-torun-6)
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by Wiktoria Teperek Y 6 e

"The historic center of Warsaw constitutes an exception on UNESCO’s World Cultural Heritage List. It’s the only urban complex almost entirely reconstructed after the WWII total destruction. The careful reconstruction was so well done that the international community demonstrated its great appreciation through putting the historic city center of Warsaw on the list of the unique world heritage sites."

(http://www.poland.travel/en/unesco-sites/)