Facebook CEO Mark Zuckerberg (L) watches a demonstration of the new Facebook video chat during a news conference at Facebook headquarters July 6, 2011 in Palo Alto, California. Zuckerberg announced new features that are coming to Facebook including video chat and a group chat feature. (Photo by Justin Sullivan/Getty Images)

A dog takes a dip in the river Elbe on February 6, 2012 in Hamburg, Germany.The current cold front that has claimed over 200 lives in eastern Europe makes its way west. (Photo by Stuart Franklin/Getty Images)

3D interactive artist Joe Hill poses with one of his works as part of the VisitBritain tourism campaign at Circular Quay on September 6, 2011 in Sydney, Australia. (Photo by Mark Metcalfe/Getty Images)

A 42-day-old white bengal tiger cub (bottom), the first of its kind born in Peru, sleeps between toys as he is presented at the Huachipa's zoo in Lima on August 6, 2013. (Photo by Ernesto Benavides/AFP Photo)

Kazakhstan's Elena Rybakina (L) checks on France's Alize Cornet after resulting injured during their women's singles tennis match on the fourth day of the 2023 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 6, 2023. (Photo by Glyn Kirk/AFP Photo)

Primary school students write Chinese character “Ren”, meaning “human being”, during the First Writing Ceremony, a traditional education activity, on September 6, 2023 in Qingdao, Shandong Province of China. (Photo by VCG/VCG via Getty Images)

Darryl Horner jnr riding Flying Agent (bottom R) races away to defeat Steven Pateman riding Bit of a Lad in Race 6, the 3yb Scotty Stewart Brierly Steeplechase, on Brierly Day during the Warrnambool Jumps Carnival at Warrnambool Racing Club on May 04, 2021 in Warrnambool, Australia. (Photo by Vince Caligiuri/Getty Images)