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An artist shows her jewelry made of waste at the exhibition "Waste is Taste" in the History Museum in Sarajevo, Bosnia and Herzegovina, on Sept. 14, 2017. (Xinhua/Haris Memija)

An artist shows her jewelry made of waste at the exhibition "Waste is Taste" in the History Museum in Sarajevo, Bosnia and Herzegovina, on Sept. 14, 2017. (Xinhua/Haris Memija)