Japan's Emperor Akihito, right, leaves after a ritual to report his abdication to the throne, at the Imperial Palace in Tokyo, Tuesday, April 30, 2019. The 85-year-old Akihito ends his three-decade reign on Tuesday when he abdicates to his son Crown Prince Naruhito. (Photo by Japan Pool via AP Photo)





People raise their arms in the air toward Imperial Palace in Tokyo Tuesday, April 30, 2019. Emperor Akihito is set to abdicate later in the day as Japan embraces the end of his reign with an emotion mixed with reminiscence and hopes for a new era. (Photo by Shinji Kita/Kyodo News via AP Photo)





A visitor holds a Japanese flag near Imperial Palace in Tokyo Wednesday, May 1, 2019. Japan has new Emperor Naruhito and he will perform his first ritual hours after succeeding the Chrysanthemum Throne from his father Akihito who abdicated the night before. (Photo by Eugene Hoshiko/AP Photo)





People celebrate the start of Japan's new Reiwa imperial era at the Maharaja nightclub in Tokyo's Roppongi district, May 1, 2019. Emperor Akihito announced his abdication at a palace ceremony Tuesday in his final address. (Photo by Kyodo News via Reuters)





People gather to celebrate the start of Japan's new Reiwa imperial era and Emperor Naruhito's accession to the throne in Tokyo, Japan on April 30, 2019. (Photo by Kim Kyung-Hoon/Reuters)





Demonstrators clash with security forces during a protest against government plans to privatize health and education services, in Tegucigalpa, Honduras on April 29, 2019. (Photo by Jorge Cabrera/Reuters)





Honduran riot police take cover during clashes with students of the National Autonomous University of Honduras (UNAH) and elementary school teachers who protest against the approval of education and healthcare bills in the Honduran Congress in Tegucigalpa on April 29, 2019. Honduran police dispersed with teat gas thousands of people who protested and blocked roads against education and healthcare reforms approved by the Congress. (Photo by Orlando Sierra/AFP Photo)





A Sudanese protester makes victory sign as he sits on a barricade on a road leading to the defense ministry compound in Khartoum, Sudan, April 30, 2019. (Photo by Umit Bektas/Reuters)





Members of a rescue team watch collapsed buildings due to landslide following heavy rains in la Periferica district in La Paz, Bolivia on April 30, 2019. (Photo by David Mercado/Reuters)





A pigeon walks past tanks prior a to rehearsal for the Victory Day military parade which will take place at Dvortsovaya (Palace) Square on May 9 to celebrate 74 years after the victory in WWII, in St.Petersburg, Russia, Tuesday, April 30, 2019. (Photo by Dmitri Lovetsky/AP Photo)





Self-propelled artillery vehicles Msta-S are transported by trucks after a rehearsal for the Victory Day military parade which will take place at Dvortsovaya (Palace) Square on May 9 to celebrate 74 years after the victory in WWII, in St.Petersburg, Russia, Tuesday, April 30, 2019. (Photo by Dmitri Lovetsky/AP Photo)





Elderly women feed pigeons at a bus stop in Moscow, Russia on April 30, 2019. (Photo by Maxim Shemetov/Reuters)





A woman dressed as a witch smiles during the Walpurgis night in Erfurt, Germany, Tuesday, April 30, 2019. Costumed devils and witches meet to celebrate Walpurgis Night, a traditional religious holiday of pre-Christian origins. The event is named after St. Walburga, an English nun who helped convert the Germans to Christianity in the 8th century. (Photo by Jens Meyer/AP Photo)





Seized ivory is seen before being destroyed at a waste management centre in Seremban, Negeri Sembilan, Malaysia, April 30, 2019. (Photo by Lai Seng Sin/Reuters)





Indian forest officials and police personnel try to chase away a wild male elephant at Hengrabari area in Guwahati on April 30, 2019. The elephant came down from Amchang Wildlife Sanctuary in search of food and later forest official tranquillized it, local media reported. As the pressure of population pushes human habitation closer to forests incidents of wild animals straying into cities is increasingly reported. (Photo by Biju Boro/AFP Photo)





People eat bananas during a protest against perceived censorship by Poland's National Museum in front of the National Museum in Warsaw, Poland on April 29, 2019. (Photo by Kacper Pempel/Reuters)





Ballet dancers from the Australian Ballet perform during a dress rehearsal of the ballet classic “Giselle” at the Sydney Opera House in Sydney, New South Wales, Australia, 30 April 2019. Created in 1986 by Maina Gielgud, former Artistic Director of The Australian Ballet, Giselle returns exclusively to Sydney from 01 to 18 May 2019. (Photo by Bianca De Marchi/EPA/EFE/Keystone)