A boy controls a robot at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A visitor inseminates a plant at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A robot hands a notebook to a boy at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
Visitors inseminate plants at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A boy pilots a virtual airplane on a simulator at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A visitor uses special glasses and virtual reality sensors at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A boy separates red blood cells from plasma at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
Children try to make ornaments from Stone Age materials at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A visitor looks at an object through an astronomical telescope at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
A boy pours liquid to prepare slime at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
Children play laser chess at the Science Fair in Prague, the Czech Republic, on June 8, 2023. The Science Fair, organized annually by the Academy of Sciences of the Czech Republic, is held from June 8 to June 10 this year. (Photo by Dana Kesnerova/Xinhua)
