This picture taken on February 8, 2018 shows an employee of Japanese weather forecasting company Weathernews displaying pollen detector spherical robots called “Pollen-robots” at the company's headquarters in Chiba, suburban Tokyo. The Pollen-robot, which has two LED eyes and glows a range of five different colours to indicate pollen levels, will be placed outside houses and can send reports recording pollen, temperatures, humidity and air pressure to the company through the internet. (Photo by Kazuhiro Nogi/AFP Photo)
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