69611
During the 1980 s , when the school was extended , further excavation revealed the remains of several round huts , hearths , a brooch , and pottery , some of which hailed from North Africa .
 North Africa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 North Africa