KRAKOW, POLAND - MARCH 21: Rafal Gogorek (C) and Bartlomiej Krol (R) are athletes with Down syndrome, who practice boxing with their trainer Klaudiusz Hejmej (L) at the GOTA Underground martial arts school in Krakow, Poland on March 21, 2023. World Down Syndrome Day (WDSD) is celebrated annually on March 21, since its inception on 2007. The 21st day of March, symbolizes the uniqueness of the triplication (trisomy) of the 21st chromosome, which causes Down syndrome. This global event is to raise awareness about the condition, which is caused by the presence of an extra 21st chromosome at birth. Artur Widak / Anadolu Agency/ABACAPRESS.COM