Members of the South Korean Confederation of Trade Unions (KCTU) perform with traditional Korean masks during a rally against the government's Labor Policy in Seoul, South Korea, 06 July 2023. South Korean Confederation of Trade Unions (KCTU) begen a general strike on a national scale from 03 July against the South Korean government's labor policy and against Japan's disposal of treated radioactive water from the Fukushima nuclear power plant into the sea. (Photo by Jeon Heon-Kyun/EPA)

360Cities PRO member Andrew Bodrov has just published another stunning panorama stitched from images taken by the Curiosity Rover on Mars. Photo: “Mars Panorama – Curiosity Rover: Martian Solar Day 177” (Photo by NASA/JPL-Caltech/MSSS/Andrew Bodrov)

Karis, an 8 week old lion cub, growls at a pumpkin as she explores a Halloween treat put in her enclosure by staff at Blair Drummond Safari Park near Stirling, Scotland, Tuesday, October 29, 2013. (Photo by Andrew Milligan/AP Photo/PA Wire)

American model Bella Hadid celebrating her 23rd birthday at L’Avenue at Saks Fifth Avenue New York, NY on October 10, 2019. (Photo by David Warren/Sipa USA)

English singer Dua Lipa has given fans a glimpse inside her pre-Christmas Cotswolds holiday on December 18, 2021, as she striped down to a bikini for a night time hot tub dip. The Grammy winning star looked every inch the pop diva in her racy outfit as she enjoyed quality time with her girlfriends after splitting from boyfriend Anwar Hadid after “two years together”. (Photo by Instagram)

American rapper Cardi B poses for a photo during Hot 97 Summer Jam 2021 at Met Life Stadium on August 22, 2021 in East Rutherford, New Jersey. (Photo by Johnny Nunez/WireImage)

A man carrying a sailfish walks through Hamarweyne district in South Mogadishu on March 25, 2015. (Photo by Carl De Souza/AFP Photo)

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.