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Visitors watch a light object called "Fantastic Planet-Humanoid" during the contemporary art festival "White Night 2017" in Bratislava, capital of Slovakia, on Oct. 7, 2017. (Xinhua/Andrej Klizan)
Visitors watch a light object called "Fantastic Planet-Humanoid" during the contemporary art festival "White Night 2017" in Bratislava, capital of Slovakia, on Oct. 7, 2017. (Xinhua/Andrej Klizan)