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The fish carvings and hydrological inscriptions were virtually unknown in the West until the 1970 s , when Chinese experts presented photos of these two fish and hydrological data of Fuling for the past 1,200 years at an international hydrological symposium held in the UK .
 location: West; location: Fuling; location: UK
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: West; location: Fuling; location: UK