Revellers are sprayed by a water cannon during a street party called “Bloco Das Barbas” in Rio de Janeiro, Brazil on February 18, 2023. Hundreds of street parties traditionally take place every year in the city before and during Rio de Janeiro's carnival. (Photo by Carl de Souza/AFP Photo)

British model and fashion designer Stella Tennant in Chanel Swimwear, collection Automne-Hiver 1995-96 at Paris Fashion Show in Paris on October 20, 1995. Stella Tennant, one of the most renowned catwalk models and cover-stars of the 1990s, has died aged 50, her family announced on December 23, 2020. “It is with great sadness we announce the sudden death of Stella Tennant on 22nd December 2020”, the statement said. (Photo by Neville Marriner/ANL/Rex Features/Shutterstock)

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.

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)

In this photo taken Thursday January 17, 2013, sled dogs Poncho, left, and his blind brother Gonzo are hooked up for a run at the Muddy Paw Sled Dog Kennel, in Jefferson, N.H. Poncho has taken to helping his blind brother on regular runs. (Photo by Jim Cole/AP Photo)

Tourists take pictures of straw figurines of traditional deities Shennong (R) and Zhang Wulang (L back) during China's National Day Holiday, in Xinhua county, Hunan province, October 4, 2015. (Photo by Reuters/China Daily)

People take pictures of the sun rising next to the buildings of the banking district in Frankfurt, Germany, Saturday, December 28, 2019. (Photo by Michael Probst/AP Photo)