This photo shows a sandbox model at the expo of Beijing Candidate City's bid for the 2022 Winter Olympic games at the Palace hotel in Lausanne, Switzerland, on June 10, 2015. (Photo: Xinhua/Zhou Lei)
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This photo shows a sandbox model at the expo of Beijing Candidate City's bid for the 2022 Winter Olympic games at the Palace hotel in Lausanne, Switzerland, on June 10, 2015. (Photo: Xinhua/Zhou Lei)
