Youth category winner: Symphony No 5 by Giacomo Redaelli (Italy). (Photo by Giacomo Redaelli/2019 Nature Photographer of the Year)

A journalist operate a harness with multiple recording devices capable of recording and live streaming outside the Great Hall of the People where the opening session of the Chinese People's Political Consultative Conference (CPPCC) was held in Beijing, China, Friday, March 3, 2017. Thousands of delegates have gathered at the Chinese capital for the opening of the annual session of the Chinese People's Political Consultative Conference, which advises the rubberstamp parliament, whose annual session begins Sunday. (Photo by Ng Han Guan/AP Photo)

Saint Nicholas poses with students during a traditional parade in central Brussels, Belgium December 3, 2016. (Photo by Yves Herman/Reuters)

A worker spreads paddy crop for drying in a rice mill complex on the outskirts of Ahmedabad February 3, 2011. (Photo by Amit Dave/Reuters)

A worker collects rubber sap at a farm in Songon village, north of Abidjan, February 3, 2016. (Photo by Luc Gnago/Reuters)

A Bengal cat is seen during the Mediterranean Winner 2016 cat show in Rome, Italy, April 3, 2016. (Photo by Max Rossi/Reuters)

A volcanic eruption at Mount Etna’s Vorgaine crater in Sicily, Italy on December 3, 2015. (Photo by Marco Restivo/Barcroft Media)

A man with henna-dyed hair rests on a road near the port area in Karachi, Pakistan on July 3, 2019. (Photo by Akhtar Soomro/Reuters)