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 Ayani Manduca Mateus (R) and Txana Bane Fabiano Sales, members of theHuni Kuin, a shamanic tribe from north Brazil, sit at the sculpture "Borda Doce" (Sweet Border) during the presentation of a retrospective of the work of Brazilian artist Ernesto Neto at the Guggenheim Museum in Bilbao, February 13, 2014.[Photo/Agencies]  | 
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| New views: amazing 3D pencil drawings | 
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