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Portugal
Alvados - Monsanto - Porto de Mos - Santarem, Fatima, Leiria -
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Portugal
Negrais, Pero Pinheiro, Sintra, Grande Lisboa, Lisboa e Vale do Tejo -
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United Kingdom
Ancaster Quarry, Ancaster, Grantham, and Wilsford Glebe Quarry, Lincolnshire -
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France
Bierry-les-Belles-Fontaines (Yonne,36 km au sud-est de Tonnerre) -
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Canada
Turkey
Spain
Germany
Israel
Italy
Greece