A rider rears up on his horse while surrounded by a cheering crowd during the traditional Fiesta of San Joan (Saint John) in downtown Ciutadella, on the Spanish Balearic Island of Menorca, June 23, 2014. The riders of the horses are representatives of ancient Ciutadella society – nobility, clergy, craftsmen and farmers. (Photo by Enrique Calvo/Reuters)

A woman is assisted by medical personnel during a celebration in the Mission District in San Francisco, California October 29, 2014. The San Francisco Giants beat the Kansas City Royals 3-2 on Wednesday to win their third World Series title in five seasons. (Photo by Robert Galbraith/Reuters)

A woman takes part in a traditional horse parade through the streets of San Jose, Costa Rica December 26, 2015. Thousands of riders participated in the parade, which is part of annual year-end festivities. (Photo by Juan Carlos Ulate/Reuters)

A three month-old baby gorilla named Hasani sits in the grass March 11, 2009 at the San Francisco Zoo in San Francisco, California. The newborn gorilla was given the name Hasani. Hasani's father, a twenty seven year-old gorilla named Oscar Jonsey, picked between five color coded cantaloupes representing the five name finalists to come up with the newborn's name that was submitted by Amanda VerPloeg of Oskaloosa, Iowa. (Photo by Justin Sullivan/Getty Images)

Young women sit at a doorway during the annual San Antonio Abad (Saint Anton Abbott) festival in Trigueros, southwest Spain January 25, 2015. Thousands of people arrived in Trigueros to participate in this annual catching of food and presents, part of a traditional three-day religious festival. (Photo by Marcelo del Pozo/Reuters)

A dump truck carrying cleaning workers drives on Havana's malecon as a wave crashes on the sea wall, in Cuba, Tuesday, January 24, 2017. Due to high winds and tides, the sea pushed over the sea wall, flooding low parts of the Vedado neighborhood of Havana. (Photo by Desmond Boylan/AP Photo)

Members of a comparsa, a Uruguayan carnival group, dance during the Llamadas parade, a street fiesta with traditional Afro-Uruguayan roots in Montevideo February 9, 2017. (Photo by Andres Stapff/Reuters)

A reveller wearing a costume dances as she holds a dring during the carnival street parade in Valletta, Malta, February 25, 2017. (Photo by Darrin Zammit Lupi/Reuters)