Bydgoszcz, Poland. 23rd April, 2017. People are seen taking part in the cith birthday run on 23 April. 2017. The city which received it s town rights in 1346 organizes a birthday run every year and this year near 1500 people took part in the 5 kilometer run along the Brda river. Credit: Jaap Arriens/Alamy Live News

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Photo credit: © Jaap Arriens / Alamy / Afripics
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