A member of the Amabutho Zulu regiments is congratulated by a member of the Dundee Diehards at the end of the Battle of Isandlwana, in Isandlwana on January 21, 2023. (Photo by Marco Longari/AFP Photo)

The Leshan Giant Buddha, a 71-metre tall stone statue, is carved out of a cliff face in the southern part of Sichuan province in China. (Photo by Suchet Suwanmongkol/500px)

Snow blows off the Svalbard Global Seed Vault before being inaugurated at sunrise, Tuesday, February 26, 2008. (Photo by John McConnico/AP Photo)

A woman greets a street artist at the San Fermin festival in Pamplona, northern Spain July 8, 2016. (Photo by Eloy Alonso/Reuters)

The Prague astronomical clock, or Prague orloj, is a medieval astronomical clock located in Prague, the capital of the Czech Republic. The clock was first installed in 1410, making it the third-oldest astronomical clock in the world and the oldest one still working.

Felice Varini is a Swiss artist who was nominated for the 2000/2001 Marcel Duchamp Prize, known for his geometric perspective-localized paintings in rooms and other spaces, using projector-stencil techniques. According to mathematics professor and art critic Joël Koskas, “A work of Varini is an anti-Mona Lisa”.