A tourist poses in front of an illuminated alebrije—a colored Mexican folk-art sculpture representing a fantastical creature—during a parade organized by the Folk Art Museum in Mexico City on May 30, 2018. #

Indian anti-tobacco activists dressed as skeletons take part in an anti-tobacco awareness rally in Kolkata on May 31, 2018. May 31 was commemorated as "World No Tobacco Day" to raise awareness against tobacco consumption around the globe. #

An employee poses with a 19th century feathered helmet mask called "Mwaash aMbooy mu shall" from the Kuba people, DRC, during a press preview at Summers Place Auctions on May 30, 2018, in Billingshurst, England. Summers Place Auctions are held to sell items linked to Britain's most famous hangman, Albert Pierrepoint, in their anniversary sale on June 12. The executioner was notable for hanging more than 400 people, including around 200 war criminals, in Germany following World War II. #

Institutional Revolutionary Party (PRI) presidential candidate Jose Antonio Meade reacts while falling off his chair at a meeting with citizens in Mexico City on May 29, 2018. #

People dressed as dancing devils with giant masks dance on a street during a traditional celebration in Naiguata, Venezuela, on May 31, 2018. Carrying striking masks of mostly animals and sea monsters, hundreds of men, women, and children went out to dance frantically as if possessed by evil spirits in an ancient ritual known as "Dancing Devils of Naiguata," the unorthodox way of the coastal towns of Venezuela to venerate God during the celebrations of Corpus Christi. #

An aerial view of tourists finding the way out of a maze featuring an eight-diagram pattern during the 9th Linyi Zhuge Liang Cultural Tourism Festival at Linyi Zhuge Liang Park in Linyi, Shandong Province, China, on May 27, 2018. #

Brody Dicks, 13, from Park City, Utah, spells "caudation" correctly during the third round of the Scripps National Spelling Bee in Oxon Hill, Maryland, on May 30, 2018. #

Rudy Giuliani, former New York City mayor and current lawyer for U.S. President Donald Trump, speaks to members of the media during the White House Sports and Fitness Day on the South Lawn of the White House on May 30, 2018. #

Sheep wait to be judged in the show ring on the opening day of the Royal Bath and West Show at the Royal Bath and West Showground near Shepton Mallet on May 30, 2018, in Somerset, England. #

Serena Williams of the U.S. clenches her fist after scoring a point against Krystina Pliskova of the Czech Republic during their first-round match of the French Open tennis tournament at Roland Garros Stadium in Paris on May 29, 2018. #

Romania's Simona Halep eyes the ball as she plays Taylor Townsend of the U.S. during their second-round match of the French Open at Roland Garros Stadium on May 31, 2018 in Paris. #

A seagull flies over pearl mullets in Lake Van near Van, Turkey, on May 31, 2018. The seagulls that live on the shores of Lake Van feed by hunting fish as they migrate to fresh water to breed. #

United States Air Force Major Paul "Loco" Lopez performs in an F-22 Raptor during the AirPower Over Hampton Roads JBLE Air and Space Expo at Joint Base Langley-Eustis, Virginia, on May 18, 2018. #

Activists from Greenpeace affix a breathing mask to the Diana the Huntress statue in a protest action to demand clean air and non-polluting public transport in Mexico City on May 30, 2018. A press release from the group said that Greenpeace began its work in Mexico 25 years ago with a similar protest over the poor air quality in the Mexican capital, and that a proliferation of private cars and lax emissions controls has since worsened conditions throughout the country. #

A group of people sit at the base of Hartshead Pike as the "flower moon" rises on May 28, 2018, in Manchester, England. The tower was rebuilt in 1863 by John Eaton to commemorate the marriage of HRH Albert Edward to Princess Alexandra, replacing a building that had been there since 1751. #

An ultra-orthodox Jewish girl collects harvested wheat, which will later be used to make matza, the traditional unleavened bread eaten during the Jewish holiday of Passover, near Magen, Israel, on May 30, 2018. #

Models wait before presenting eco-fashion pieces that use recycled or biodegradable materials during the "Fashion for Sustainable Future" event by UN Environment in Kisumu, Kenya, on May 31, 2018. "Beat Plastic Pollution" will be the theme of this year's World Environment Day on June 5. #

A child, whose father is serving a sentence at Jilava Prison, touches his hand in Jilava, Romania, on June 1, 2018. More than 100 children who have fathers serving time in the prison outside the Romanian capital of Bucharest were reunited with them for a few hours during an International Children's Day event, the first of this scale in Romania. #