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The world in photos: June 29 - July 5

chinadaily.com.cn | Updated: 2020-07-06 14:42
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Professor Albert Bosch from the Faculty of Biology of the University of Barcelona works in the office. He confirmed on June 29 that a study he had coordinated detected the presence of the novel coronavirus in waste water samples collected in Barcelona on March 12, 2019. [Photo/Xinhua]
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