34366
Most of the city 's heritage was destroyed during the construction of basements in the 19th century or during World War II , but the backyards and latrines of the houses remained largely unchanged , and have provided information on the city 's history .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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