A motorcycle carrying protesters holding a placard using the acronym of the national electoral commission, drives ahead of demonstrators on foot calling for the disbandment of the commission over allegations of bias and corruption, in downtown Nairobi, Kenya Monday, June 6, 2016. (Photo by Ben Curtis/AP Photo)

A string is used to ensure that the skirts of female members of the honour guard are in the same height from the ground as they prepare for a welcoming ceremony for Congo Republic President Denis Sassou Nguesso outside the Great Hall of the People in Beijing, China, July 5, 2016. (Photo by Jason Lee/Reuters)

2016 Rio Olympics, Rhythmic Gymnastics, Final, Individual All-Around Final, Rotation 1, Rio Olympic Arena, Rio de Janeiro, Brazil on August 20, 2016. Melitina Staniouta (BLR) of Belarus competes using the hoop. (Photo by Ruben Sprich/Reuters)

Employee of ornithological flight support service Nika Ryzhova-Alenicheva holds her hawk, which is used to control fauna to avoid bird strikes during takeoffs and landings, at Domodedovo airport outside Moscow, Russia September 2, 2016. (Photo by Maxim Zmeyev/Reuters)

Miss New York Jamie Lynn Macchia waves during the 2016 Miss America pageant “Show Us Your Shoes” parade Saturday, September 12, 2015, in Atlantic City, N.J. (Photo by Michael Ein/The Press of Atlantic City via AP Photo)

A replica of the bust of Nefertiti stands in the Replica Workshop of the National Museum of Berlin in Berlin, October 2, 2015. The workshop plans to produce 10 to 20 replicas a year, which like the original are made of a limestone core with gypsum finish. Each one will cost 8,900 euros (9,934 US Dollars). (Photo by Axel Schmidt/Reuters)

A woman rolls a marijuana cigarette during the first “Expo Cannabis” fair in Montevideo December 14, 2014. Expo Cannabis offers conferences about different topics such as the medicinal use of cannabis and cultivation techniques as well as displaying hemp goods, cannabis cultivation items and seeds. (Photo by Andres Stapff/Reuters)

Pham Thi Thanh drinks a glass of water used as a treatment during a medium ritual at a Hau Dong ceremony at Phu Day temple in Nam Dinh province, Vietnam, May 7, 2017. Dating to the 16th century, Hau Dong centres on a belief in the Mother Goddesses of three realms – forest, water and heaven. It draws from elements of Taoism, Buddhism and other religions. (Photo by Reuters/Kham)