Twin brothers Keith (L) and Deano Stapleton (R) interact with one another as people gather to witness the winter solstice on December 21, 2022 in Newgrange, Ireland. Crowds are gathering at Newgrange in Co Meath, this morning for the winter solstice – the astronomical phenomenon that marks the shortest day and the longest night of the year. Newgrange is a Stone Age (Neolithic) monument in the Boyne Valley, County Meath, it is the jewel in the crown of Ireland's Ancient East and was constructed approximately 5,200 years ago (3,200 B.C.) which makes it older than Stonehenge and the Great Pyramids of Giza. (Photo by Charles McQuillan/Getty Images)

A view of snow blanketed ancient giant statues and remains, dating back to 2.000-year-old Commagene Kingdom, located in the 2.150-meter-altitude Mount Nemrut, which is listed in the UNESCO's World Heritage List, in Kahta district of Adiyaman, Turkiye on February 02, 2024. (Photo by Ozkan Bilgin/Anadolu via Getty Images)

Yakut artists present a performance based on the national Yakut epic “Olonkho” on the stage of the Kyrgyz Academic Opera and Ballet Theater in Bishkek, Kyrgyzstan, 24 April 2024. The State Opera and Ballet Theater of the Republic of Sakha (Yakutia) is on tour in Bishkek on April 24 and 26. (Photo by Igor Kovalenko/EPA/EFE)

Award winning Italian Bodypainter Johannes Stötter, paints his models to blend in to their backgrounds. The artist and musician based in Italy has created some of the most unique and life-like pieces of art we've ever seen. And yes, while some works like the ready-to-eat human melon heads creep us out, it's fair to say Stötter has owned his craft. Photo: “Melon”. (Photo by Johannes Stötter)

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 woman hangs red chillies to dry outside her house at Khokana village on the outskirts of Kathmandu on August 5, 2020. (Photo by Prakash Mathema/AFP Photo)

A grey-bellied Night Monkey (Aotus Lemurinus) plays with a teddy bear at the veterinary clinic of the Cali Zoo in Cali, Colombia on January 27, 2020. They monkey is being raised by personnel of the Cali Zoo after a worker found it near the complex. Apparently it fall from a tree with his father who had health problems. (Photo by Luis Robayo/AFP Photo)