What makes a watch the most valuable in the world? It’s supercomplicated – literally. In 1925 banker Henry Graves Jr. (considered the greatest watch collector of the 20th century) commissioned Patek Philippe to create a unique gold pocket watch. When Graves finally received it – eight years later – it was the most complex timepiece ever created by human hands... (Photo by Suzanne Plunkett/Reuters)

A Russian digital artist Svetlana Petrova has taken her love of cats to the next level – by adding her furry friend to some of the world's greatest artwork. Svetlana has placed photos of her tabby, called Zarathustra, posing alongside the most well-known pieces in history for her UK exhibition. (Photo by Svetlana Petrova/Zarathustra the Cat)

Faithful jump into the waters of Fasilides Bath as part of a ceremony in which the waters are blessed by the priest of Ethiopian Orthodox Tewahedo church during the second day of Timket in Gondar, Ethiopia, January 20, 2016. “Timket”, the greatest Ethiopian festival of the year is to commemorate Jesus Christ's baptism in the Jordan River by John the Baptist. (Photo by Tiksa Negeri/Reuters)

“HA Schult, born Hans-Jürgen Schult on June 24, 1939 in Parchim, Mecklenburg is a German installation, happening and conceptual artist known primarily for his object and performance art and more specifically his work with garbage”. – Wikipedia

Photo: German artist Ha Schult stands with his “trash people” below the pyramids May 15, 2002 in Giza, Egypt. Inspired by the statues of the terracotta army of Chinese Emperor Quin Shi Huangdi (247–206 B.C.), the thousand piece sulpture has stood in Red Square in Moscow, La Defense in Paris and the Great Wall in China. Schult, born in 1939 wants to bring the “trash war” to the world's attention beause trash is the greatest battle facing mankind. (Photo by Norbert Schiller/Getty Images)

People dressed in Samurai costume and helmet march during the annual Himeji Castle Festival on August 3, 2013 in Himeji, Japan. The parade of Castle Queens is part of the traditional matsuri festival around the UNESCO world heritage Himeji Castle. (Photo by Buddhika Weerasinghe)

Drag queen Courtney Act (real name Shane Jenek) attends the Celebrity Big Brother male contestants launch night at Elstree Studios on January 5, 2018 in Borehamwood, England. The drag queen was left over-exposed on last show after her outfit apparently fell off. (Photo by Mike Marsland/WireImage)

Drag Queen Gaypin (R) and her friends attend the three day RuPaul's DragCon, which is billed as the “first convention celebrating drag, queer culture, & self-expression” at the Convention Center in Los Angeles, California on May 25, 2019. (Photo by Mark Ralston/AFP Photo)

Transgender Kendra Ferrari, 21, performs during Miss Night Queen beauty contest in Guatemala City, Friday, June 15, 2012. Ferrari won the pageant and will represent the transgender community for one year. (Photo by Rodrigo Abd/AP Photo)