A photo taken with a drone shows students taking part in an attempt to break the Guinness World Record for staging a living chain of the number Pi and its decimal places by students of The Road, Geodesy and High School Complex together with the Technical and Comprehensive School Complex in Jaroslaw, Poland, 30 November 2022. The task of the attempt was to create the longest expansion of Pi with its ddecimal places. The living chain was created by 995 people; more than 883 students of the University of Lodz. (Photo by Darek Delmanowicz/EPA/EFE)
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