Searched for http://whc.unesco.org/en/soc/?action=list&id_search_state=3&id_threats=71%2C8%2C72%2C74%2C73%2C 
Note: This calendar view maps the number of captures of http://whc.unesco.org/en/soc/?action=list&id_search_state=3&id_threats=71%2C8%2C72%2C74%2C73%2C, not how many times the site was actually updated.
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