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An international team of scientists from Norway, the Netherlands and Spain found urea helps set concrete. Therefore, the most economical way to build a base on the moon is to use lunar materials and add urine to solidify cement. The research won the fantasy prize category.
An employee of Baishitong International Travel Service disinfects a pickup truck the company uses for its food delivery business in Shiyan, Hubei province. [Photo provided to China Daily]
An Amazon spokesman tells?the NYT: “We are always thinking about new ways to serve customers, but thinking is different than planning.”
An employee of a shoes shop prepares to reopen their business during the spread of the COVID-19 in Tokyo, Japan, May 14, 2020. [Photo/Agencies]
An aerial view of the Zhangjiakou 2022 Winter Olympic Village in Chongli, North China's Hebei province. [Photo/Xinhua]
