• A Chinese attendant helps an 84-year-old tourist downstairs on a stair-climber wheelchair from the ancient city wall in Xi'an city, northwest China's Shaanxi province, 20 March 2019.    Photo Imaginechina
  The Story :March 14, 2019 - March 20, 2019
  The Story :Tracked wheelchair helps tourists climb ancient city wall within minutes in Xi'an

ID: bjl8144983 Time: 2019-03-20
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