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.

“Maria Rosaria (Mara) Carfagna (born December 18, 1975 in Salerno) is an Italian politician and former showgirl and topless model. After obtaining a degree in law, Carfagna worked for several years on Italian television shows and as a model. She later entered politics and was elected to the Chamber of Deputies for Forza Italia party in 2006. On May 8, 2008, Prime Minister Silvio Berlusconi appointed her Minister for Equal Opportunity, a move that received international attention due to her background and her appearance. Carfagna has been called «The most beautiful minister in the world», and was ranked number one on Maxim's «World´s Hottest Politicians»”.

Photo: Minister Mara Carfagna attends a press conference for the Pink Box Project held at Palazzo Marino on November 24, 2008 in Milan, Italy. The Pink Box is a tracking device, designed to help women drivers in danger. (Photo by Vittorio Zunino Celotto/Getty Images). MILAN, ITALY – NOVEMBER 24 2008

A group of women take photos of a giant donut installation outside the Maddox Gallery in Mayfair, London on Thursday June 24, 2021, to celebrate a new exhibition entitled Villainy, a body of work by an anonymous street artist from New York who operates under the alias, “Jerkface”. (Photo by Yui Mok/PA Wire Press Association)

A dancer spits fire during a slum party at Oworonshoki district of Lagos, on November 27, 2021. In Oworonshoki, a poor district of Lagos, Nigeria's economic capital, an emerging artistic dance activists, Ennovate Dance House, is changing the narratives of the slum cummunity. The community which in the past was always in the bad news for cultism, violence and killings, suddenly is attracting tourist attention with a “Slum Party”, a yearly artistic dance festival being used by the group to give life and hope to the inhabitants. (Photo by Pius Utomi Ekpei/AFP Photo)

The Invasion. A quiet street in Macau. Modernization around is quickly changing the city, as documented by Paul Tsui. (Photo by Paul Tsui/National Geographic Travel Photographer of the Year Contest)

A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)

Christmas party goers seen on December 14, 2018 in Liverpool, United Kingdom. Revellers hit the bars as they partied hard on the second-to-last Friday before Christmas. (Photo by Mercury Press)

Models wear creations as part of the Maccapani men's and women's Spring Summer 2024 collection, unveiled during the Fashion Week in Milan, Italy, Friday, June 16, 2023. (Photo by Antonio Calanni/AP Photo)