French President Emmanuel Macron holding a piece of 'lettuce coral' speaks with scientist Romain Trouble during a visit to the French Island of La Grande Glorieuse, part of Les Glorieuses islands in the Eparses archipelago, 250km northeast of the French Indian Ocean island of Mayotte, on October 23, 2019. Macron announced that the island, whose French sovereignty is contested by Madagascar, will be classified as a natural reserve. (Photo by Jacques Witt/AFP Photo/Pool)





Britain's Prime Minister Boris Johnson leaves 10 Downing Street to attend the weekly Prime Ministers' Questions session, in parliament in London, Wednesday, October 23, 2019. (Photo by Frank Augstein/AP Photo)





Thailand's King Maha Vajiralongkorn, Queen Suthida, Princess Bajrakitiyabha and Princess Sirivannavari Nariratana leave after they attend an event commemorating the death of King Chulalongkorn in Bangkok, Thailand on October 23, 2019. (Photo by Athit Perawognmetha/Reuters)





A handout picture released by the official Syrian Arab News Agency (SANA) on October 22, 2019 shows Syrian army artillery guns firing from a position in al-Habit on the southern edges of the Idlib province. (Photo by SANA/AFP Photo)





A demonstrator pushes a fence towards an armored vehicle during a protest against Chile's state economic model in Santiago, Chile on October 23, 2019. Chile is hit with more protests despite President Sebastian Pinera's pleas for forgiveness and announcement of ambitious reforms to quell unrest that has rocked the country and led to at least 15 deaths. (Photo by Ivan Alvarado/Reuters)





A demonstrator throws a stone during a protest against Chile's state economic model in Santiago, Chile on October 23, 2019. (Photo by Henry Romero/Reuters)





A demonstrator with a flag as he throws a rock during a protest against Chile's state economic model in Santiago, Chile October 23, 2019. (Photo by Ivan Alvarado/Reuters)





A demonstrator sits on a street light as protests against high living costs continue, in Santiago, Chile on October 22, 2019. (Photo by Pablo Sanhueza/Reuters)





A demonstrator rests on the ground as he and other demonstrators block a highway during ongoing anti-government protests in downtown Beirut, Lebanon, October 23, 2019. (Photo by Alkis Konstantinidis/Reuters)





Police stand behind shields during a protest in La Paz, Bolivia on October 22, 2019. (Photo by Ueslei Marcelino/Reuters)





A boy walks out of the sea while removing oil spilled on Itapuama beach located in the city of Cabo de Santo Agostinho, Pernambuco state, Brazil, on October 21, 2019. Large blobs of oil staining more than 130 beaches in northeastern Brazil began appearing in early September and have now turned up along a 2,000km stretch of the Atlantic coastline. The source of the patches remain a mystery despite President Jair Bolsonaro's assertions they came from outside the country and were possibly the work of criminals. (Photo by Leo Malafaia/AFP Photo)





Museum technician Jessie Giovane Staniland checks the original R2-D2, used in the 1977 “Star Wars” film, as it arrives at V&A Dundee in Scotland on October 23, 2019, where it will be the centrepiece of the forthcoming Hello, Robot exhibition. (Photo by Jane Barlow/PA Images via Getty Images)





A child looks through the Calaverandia theme park, installed for the Day of the Dead celebrations in Guadalajara, Mexico, 22 October 2019. The Day of the Dead in Mexico is one of the most important festivities and is considered by UNESCO as part of the intangible cultural heritage of humanity. (Photo by Francisco Guasco/EPA/EFE)





Members of the public visit the Calaverandia theme park, installed on the occasion of the Day of the Dead celebrations in Guadalajara, Mexico, 22 October 2019. (Photo by Francisco Guasco/EPA/EFE)





Mime artists relax at lunchtime on a park bench in Catalonia Square in central Barcelona, Spain, Wednesday, October 23, 2019. (Photo by Ben Curtis/AP Photo)





A model presents a creation at a metro station during a show opening the Moscow Fashion Week in Moscow, Russia on October 22, 2019. (Photo by Evgenia Novozhenina/Reuters)