Villagers hold torches during the Divina Pastora procession, as part of a festival to honour the Virgin of Los Rondeles, in the southern Spanish village of Casarabonela, near Malaga, late December 12, 2016. Villagers celebrate the festival on the eve of St. Lucia's Day and hold torches during the procession to represent light and vision. St. Lucia is the patron saint of vision. (Photo by Jon Nazca/Reuters)

Raka Soko, a traditional healer and Poro society member is deep in prayer while holding a broom and a bottle filled with spiritual wine that is purified to show gratitude to the gods before a ceremony in Waterloo on November 26, 2018. Standing across the field from him another member, Amos Nicol, holds a statue of the spiritual god Sama Yorbu which is used to communicate directly to other gods for permission to perform. (Photo by Lynn Rossi/AFP Photo)

A Herero man holds the head of a freshly butchered cow, killed to supply meat for a funeral, 2012. (Photo by Jim Naughten, courtesy of Klompching Gallery, New York)

Participants ride horses, hold spears and wear historic armoured suits of the Middle Ages as they compete during the Saint George international knight tournament in Moscow, Russia, May 3, 2015. (Photo by Maxim Zmeyev/Reuters)

A woman holds her umbrella while walking against strong winds as Typhoon Chan-hom approaches Taiwan, in Taipei, July 10, 2015. (Photo by Pichi Chuang/Reuters)

A girl holds onto a pole as as she stands in floodwaters flowing from the swollen Bagmati River caused by heavy rainfall in Kathmandu, Nepal August 17, 2015. (Photo by Navesh Chitrakar/Reuters)

A boy holds the remains of a mortar shell which hit a residential building in the village of Staromikhailovka, outside the separatist-held city of Donetsk, Ukraine, May 24, 2016. (Photo by Alexander Ermochenko/Reuters)

Carlos Cure holds packets of corn flour made in Colombia as he poses for a picture at a stall that sells food and staple items at a market in La Fria, Venezuela, June 2, 2016. (Photo by Carlos Garcia Rawlins/Reuters)