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Jean-Claude Praz, curator the Museum of Natural History in Sitten, displays a transparent calcite (calcium carbonate) crystal measuring 33 cm during a press conference in Martigny, Switzerland, on Tuesday, Jan. 6, 2004.
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Silver medalist Manon Kaji from Japan in action during final run of the women's Snowboard Halfpipe event at the Lausanne 2020 Winter Youth Olympic Games in Leysin, Switzerland, Monday, Jan. 20, 2020. (
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