| http://www.w3.org/ns/prov#value | - the rainy season, especially in September and October, when rains are heaviest.[6] This seasonal effort has included local police, civil protections agencies, social organization, the army and individual volunteers.[13][22] Efforts can involve up to 600 people at a time using 32 boats from four of the tourist cooperatives.[6] During the annual campaign to clean the canyon in 2005 more than 60,000
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