Spanish flamenco dancer Salome Ramirez performs in the show “Authentic Flamenco”, the show of the Teatro Real in Madrid, at the Sao Pedro theater in Sao Paulo, Brazil, 14 December 2022. After a successful tour in the United States and India, the show has arrived in the country of samba and carnivals, this time by the dancer Eduardo Guerrero and his work “Faro”. (Photo by Isaac Fontana/EPA/EFE/Rex Features/Shutterstock)

A South Korea university student gets her head shaved during a protest against Japan's decision to release contaminated water from its crippled Fukushima nuclear plant into the sea, in front of the Japanese embassy, in Seoul, South Korea, April 20, 2021. (Photo by Kim Hong-ji/Reuters)

Relatives mourn over the shrouded body of Mohammad Abed, who is killed in an Israeli airstrike on a shelter in Gaza City, during his funeral in Gaza City, on April 19, 2025. (Photo by Majdi Fathi/NurPhoto/Rex Features/Shutterstock)

Honor guards are viewed during an official welcoming ceremony for Turkish President Recep Tayyip Erdogan by Albanian President Bajram Begaj, in Tirana, Albania on October 10, 2024. Turkish President Recep Tayyip Erdogan was welcomed by Albanian President Bajram Begaj with an official ceremony ahead of their meeting. (Photo by Mehmet Ali Ozcan/Anadolu via Getty Images)

Lake Baikal is the world's oldest lake, at 25 million years (possibly older), and deepest, averaging 744.4 metres (2,442 ft).

Located in the south of the Russian region of Siberia, between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast, it is the most voluminous freshwater lake in the world, containing roughly 20% of the world's unfrozen surface fresh water.

A child jumps to touch lanterns hung on a tree ahead of the Chinese Lunar New Year celebrations in Beijing on Thursday, January 16, 2020. The world's largest annual migration begins this week in China with millions of Chinese traveling to their hometowns to celebrate the Lunar New Year on Jan. 25 this year which marks the Year of the Rat on the Chinese zodiac. (Photo by Ng Han Guan/AP Photo)

An old woman smokes a cigar at Old Havana's Plaza de la Catedral on February 07, 2006 in Havana, Cuba. (Photo by Marco Prosch/Getty Images)

A man watches a classic Turkish movie from his car at a temporary drive-in theatre held in a shopping mall car park amid the ongoing Covid-19 pandemic on May 28, 2020 in Istanbul, Turkey. Istanbul and other major cities across Turkey have begun to ease restrictions and have started preparations for the reopening of some locations, shops and services as infection rates continue to drop. As of May 28, Turkey has reported 4,461 coronavirus-related deaths and 160,979 confirmed cases. (Photo by Chris McGrath/Getty Images)