Two 70 thousand RMB (about 11,310 USD) robots carry dishes and offer service for customers at a robot themed restaurant at Chunxi Road in Chengdu, China, December 11, 2014. The restaurant has 10 robots to serve as waiters. Each robot can carry simple dishes and offer simple greetings. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

A wave carrying plastic waste and other rubbish washes up on a beach in Koh Samui in the Gulf of Thailand on January 19, 2021. (Photo by Mladen Antonov/AFP Photo)

Colton Herta crashes in the first turn during the final practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Friday, May 27, 2022. (Photo by Joe Watts/AP Photo)

Students from Cambridge University make their way home after celebrating the end of the academic year at a May Ball in Trinity College on Tuesday, June 21, 2022. The first official May Ball in Trinity College's grounds was held in 1866 with the tradition quickly spreading to the other colleges. (Photo by Joe Giddens/PA Images via Getty Images)

Footages of virtual girl group MAVE is played at the control room of MBC in Seoul, South Korea on February 28, 2023. (Photo by Kim Soo-hyeon/Reuters)

A woman from the Pataxo tribe poses for a photo at an indigenous protest camp on the fourth day of the Terra Livre Indigenous Camp in Brasilia on April 7, 2022. The 10-day annual protest is held by indigenous people from tribes that arrive from all over Brazil, and calls for greater protection of their land and rights. (Photo by Carl de Souza/AFP Photo)

A general view of atmosphere at the annual VOLT Festival in Sopron, 208 kms west of Budapest, Hungary on August 16, 2016. (Photo by Mudra László/Rockstar Photographers)

Graffiti is painted on the bathroom walls at a restaurant in the Williamsburg area of Brooklyn borough in New York, United States, October 1, 2015. Some 2.4 billion people around the world don't have access to decent sanitation and more than a billion are forced to defecate in the open, risking disease and other dangers, according to the United Nations. To mark World Toilet Day on November 19, Reuters photographers captured pictures of toilets in cities, towns and villages around the globe. (Photo by Shannon Stapleton/Reuters)