A protester from the People for the Ethical Treatment of Animals (PETA) displays a placard from a bathtub as a people looks on during a demonstration to call on the public to eat more vegetables to save water, in Sao Paulo on August 2, 2016. (Photo by Cris Faga via ZUMA Wire)

A visitor kneels down nex to an iCub robot made by the Italian Institute of Technology at the scientists congress IROS 2015 in Hamburg, Germany October 2, 2015. The robot congress is organized by TAMS group (Technical Aspects of Multimodal Systems) of Hamburg's university. (Photo by Fabian Bimmer/Reuters)

Models present Victoria Secret Fantasy Bras priced at $2 million each during a media preview of the Singapore JewelFest in Singapore October 8, 2015. The festival which is in its 13th year, sees over 42 Asian designers participating and over $300 million worth of jewels for sale. It opens from October 9 to 18. (Photo by Edgar Su/Reuters)

Participants gather before the start of a candlelight procession at the end of a three-day "Day of The Dead" (Dia de los Muertos) celebration in Old Town San Diego, California November 2, 2015. (Photo by Mike Blake/Reuters)

Visitors visit the upside-down family size house in Taipei, Taiwan, 23 February 2016. The three story upside-down family size house attracts hundreds of visitor’s who are amused with the exhibit. According to the organizers, the total cost of the construction is around 600,000 US Dollars and took 2 months to complete. (Photo by Ritchie B. Tongo/EPA)

People participate in a pillow fight to mark International Pillow Fight Day in the Heroes' Square, in central Budapest, Hungary, Saturday, April 2, 2016. The Pillow Fight Day attracts tens of thousands people in more than 100 cities all over the World each year. ((Photo by Zoltan Balogh/MTI via AP Photo)

A participant takes part in the annual Jack In The Green parade involving hundreds of costumed revellers joining a four hour procession culminating in the traditional “slaying” of a Jack character to “unleash the spirit of summer” on the May Day week end, in Hastings, southern Britain, May 2, 2016. (Photo by Toby Melville/Reuters)

Women perform in the traditional “Morenada” dance during Carnival, in Oruro, Bolivia, Saturday, March 2, 2019. The unique festival features spectacular folk dances, extravagant costumes, beautiful crafts, lively music, and up to 20 hours of continuous partying with lots of tourists, drawing crowds of up people annually. (Photo by Juan Karita/AP Photo)