Women shout slogans during a protest against Brazil’s interim President Michel Temer and in support of suspended President Dilma Rousseff at Paulista Avenue in Sao Paulo, Brazil, May 17, 2016.

Photo by Nacho Doce

Taking advantage of a weightless environment onboard the Earth-orbiting International Space Station, Expedition 34 Flight Engineer Chris Hadfield of the Canadian Space Agency juggles some tomatoes, which he probably considers to be among the more delicious components of a recent «package» that arrived from Earth, in this Handout photo courtesy of NASA. Reuters Archive. Photo by NASA

Women queue to receive free clothes at a makeshift camp for refugees and migrants at the Greek-Macedonian border near the village of Idomeni, Greece, May 12, 2016.Photo by Marko Djurica

People react as they see North Korean leader Kim Jong Un during a mass rally and parade in the capital’s main ceremonial square, a day after the ruling party wrapped up its first congress in 36 years by elevating him to party chairman, in Pyongyang, North Korea, May 10, 2016.

Photo by Damir Sagolj

Smoke and flames from the wildfires erupt behind a car on the highway near Fort McMurray, Alberta, Canada, May 7, 2016. Photo by Mark Blinch

Palestinians wait for their relatives to return to Gaza from Egypt through the Rafah border crossing, after it was opened by Egyptian authorities on Wednesday for two days for the first time in three months, in the southern Gaza Strip May 12, 2016. Photo by Suhaib Salem

Violins made by students hang to dry at a laboratory of the Antonio Stradivari institute of higher education in Cremona, Italy. Date imported, May 12, 2016. Photo by Stefano Rellandini

Brazil’s President Dilma Rousseff, accompanied by Chief of Staff Jaques Wagner, looks from a window at Planalto Palace in Brasilia, Brazil, May 11, 2016.Photo by Adriano Machado

Students are hit by a riot police water cannon during a demonstration to demand changes in the education system in Santiago, Chile, May 11, 2016. Photo by Ivan Alvarado

Mothers, relatives and people hold pictures of missing people as they march on «Mother’s Day» celebrated annually on May 10, to demand justice for their kin who have disappeared and for those who have been victims of forced disappearances in Mexico City, Mexico, May 10, 2016. Photo by Henry Romero

A 500-metre (1,640-ft.) aperture spherical telescope (FAST) is seen at the final stage of construction, among the mountains in Pingtang county, Guizhou province, China, May 7, 2016.Photo by China Stringer Network

This artist’s concept depicts select planetary discoveries made to date by NASA’s Kepler space telescope in this image released May 10, 2016. Photo by NASA

Dave Henson of Britain runs to victory in the men’s 200m race during the Invictus Games in Orlando, Florida, U.S., May 10, 2016.Photo by Carlo Allegri

Brazilian badminton players Lohaynny Vicente (R), 20, and her sister Luana Vicente, 22, pose for a photograph on the roof of a house in Chacrinha favela in Rio de Janeiro, Brazil. Date imported, May 11, 2016.Photo by Nacho Doce

Jury member actor Donald Sutherland arrives at the Grand Hyatt Cannes Hotel Martinez on the eve of the opening of the 69th Cannes Film Festival in Cannes, France, May 10, 2016.

Photo by Jean-Paul Pelissier

Director Woody Allen (2ndL) and cast members (L-R) Blake Lively, Kristen Stewart and Jesse Eisenberg pose on the red carpet as they arrive for the opening ceremony and the screening of the film «Cafe Society» out of competition during the 69th Cannes Film Festival in Cannes, France, May 11, 2016. Photo by Yves Herman

Iceland’s Greta Salome rehearses the song ”Hear Them Calling” during the jury show at the Ericsson Globe Arena in Stockholm, Sweden May 9, 2016. Photo by Maja Suslin/via

The Arizona-Mexico border fence is seen near Naco, Arizona,U.S.. Reuters Archive. Photo by Samantha Sais

Odka performs in during a media preview of Zippos Cirque Berserk at the Peacock Theatre in London, England. Reuters Archive.

Photo by Stefan Wermuth

Performers from Organizacion Efimera of Spain take part in the contemporary circus production «Fecha de Caducidad» (Date of Expiry) during the Malta Arts Festival in Valletta, Malta. Reuters Archive.

Photo by Darrin Zammit Lupi

The Navas Brothers perform during the official Award Gala Evening of the 37th International Circus Festival of Monte Carlo in Monaco. Reuters Archive.

Photo by POOL New

An artist performs during the annual «Kiev fire fest» in Kiev, Ukraine. Reuters Archive.

Photo by Gleb Garanich

Javier performs at the family-owned circus Clavito in Managua, Nicaragua. Reuters Archive.

Photo by Oswaldo Rivas

A circus performer practises during a training session in Havana, Cuba. Reuters Archive.

Photo by Alexandre Meneghini

Samuel Amador, 8, practises during a training session at a circus school in Havana, Cuba. Reuters Archive.

Photo by Alexandre Meneghini

Acrobats perform during an event celebrating 50 years of the foundation of the Workers Circus Union in Peru, at La Tarumba circus tent, in Lima, Peru. Reuters Archive.

Photo by Mariana Bazo

An artist performs a fire stunt during a special preview as part of Christmas celebrations at the Ajanta circus in Kolkata, India. Reuters Archive.

Photo by Rupak De Chowdhuri

Girls, who are part of Afghan Mobile Mini Circus for Children (MMCC), participate in a juggling competition in Kabul, Afghanistan. Reuters Archive.

Photo by Ahmad Masood

People gather around a member of an Egyptian circus team during the Sanaa Summer Festival in Sanaa, Yemen. Reuters Archive.

Photo by Khaled Abdullah Ali Al Mahdi

Karin Albert fixes the hair of her daughter Lily Romanelli, 3, before posing her in an elephant-themed photo booth at Ringling Bros and Barnum & Bailey Circus’ «Circus Extreme» show at the Mohegan Sun Arena at Casey Plaza in Wilkes-Barre, Pennsylvania, USA. Reuters Archive.

Photo by Andrew Kelly

Pilot and jet-ski champion Franky Zapata hovers in the air on an IPU Flyboard Air hoverboard as he breaks the Guiness World Records for furthest flight by hoverboard, after covering a distance of 2,252.4 meters (7,389.76 ft) with an average speed of 50-60km/h, in Sausset les Pins near Marseille, France. Reuters Archive.

Photo by Jean-Paul Pelissier

Zoltan Veres of Hungary performs during an air show in Budapest, Hungary. Reuters Archive.

Photo by Laszlo Balogh

An arctic tern swoops down from the sky above the Farne Islands off the Northumberland coast, northern England. Reuters Archive.

Photo by Nigel Roddis

A wildlife ranger strokes a northern white rhino, only three of its kind left in the world, ahead of the Giants Club Summit of African leaders and others on tackling poaching of elephants and rhinos, Ol Pejeta conservancy near the town of Nanyuki, Laikipia County, Kenya, April 28, 2016.

Photo by Siegfried Modola

Los Angeles Lakers forward Kobe Bryant (24) waves to the crowd as he walks on the court before a game against the Utah Jazz at Staples Center. Bryant concludes his 20-year NBA career. Reuters Archive. Photo by Robert Hanashiro-USA TODAY Sports