Jo Swinson, Leader of the Liberal Democrats takes part in some boxing practice as she campaigns at a boxing gym for young people on November 13, 2019 in London, England. The United Kingdom will hold a general election on December 12. (Photo by Leon Neal/Getty Images)

A woman poses for a photo in the tourist area surrounding Houhai Lake during Chinese National Day holidays in Beijing, China, October 2, 2020. China is celebrating its national day marking the 71st anniversary of the People's Republic of China and the Mid-autumn Festival for a week beginning on October 1st. (Photo by Thomas Peter/Reuters)

A performer takes part in a religious procession ahead of the “Agrasen Jayanti” festival, which celebrates the birth anniversary of legendary Hindu king Agrasen Maharaj, in Ajmer on October 11, 2023. (Photo by Himanshu Sharma/AFP Photo)

Julia Lopez Peña, the daughter of slain environmentalist Juan López, poses for a photo with her state-assigned bodyguards at her ninth birthday party in Tocoa, Honduras, December 7, 2024. (Photo by Moises Castillo/AP Photo)

A tourist cools off in front of a misting fan near a venue of the Hozuki-Ichi (Japanese lantern plant fair), at Sensoji temple, in Tokyo, Japan, on July 10, 2025. (Photo by Kim Kyung-Hoon/Reuters)

Ngorongoro Crater (Tanzania). At 610m deep and 260 sq km, this is the largest unflooded caldera in the world. A blue-green vision from above it's a haven for engangered wildlife and Maasai livestock. The crater was formed three million years ago when a giant volcano, which could have been as high as Kilimanjaro, exploded and collapsed. The caldera formed the concentric fractures in the crust cracked down to a magma reservoir deep underground. (Photo by John Bryant/Getty Images)

View of the work “Divided” (2016), within the visual artist's exhibition “Urs Fischer: Lovers”, exhibited at the Museo Jumex in Mexico City, Mexico 31 March 2022. The sensations and emotions of love and life, as well as the energy and forces that create and wear it down, inhabit “Urs Fischer: Lovers”, the first solo exhibition in Mexico by Swiss plastics artist Urs Fischer. (Photo by Alex Cruz/EPA/EFE)

Poznań is now Poland's fifth largest city. It is sometimes claimed to be the first capital of the kingdom of Poland. Poznań has many historic buildings and sights. The European Football Championship will take place in Poznan 2012.

Photo by: tiseb ; Source: Flickr