Chinese panda keepers hold giant panda cubs born in 2017 to be displayed during a public event at the Chengdu Research Base of Giant Panda Breeding in Chengdu city, southwest China's Sichuan province on September 29, 2017. 10 giant panda cubs born in 2017 met the public at the Chengdu Research Base of Giant Panda Breeding in Chengdu city, southwest China's Sichuan province, 29 September 2017, which attracted many visitors. A total of 11 giant panda cubs were born in 2017. With 184 captive giant pandas, the base is world's biggest center for giant pandas. (Photo by Reuters/China Stringer Network)





Rohingya Muslims walk towards a camp for refugees after crossing the boder from Myanmar into Bangladesh in Teknaf, Friday, September 29, 2017. More than a month after Myanmar's refugees began spilling across the border, the U.N. says more than half a million have arrived. (Photo by Gemunu Amarasinghe/AP Photo)





A Rohingya Muslim woman who just crossed the border from Myanmar into Bangladesh puts her head down and cries in Teknaf, Bangladesh, Friday, September 29, 2017. (Photo by Gemunu Amarasinghe/AP Photo)





A police officer directs traffic near a memorial honoring 19 children and seven adults who died when a wing of a primary and secondary school collapsed in the recent earthquake, in Mexico City's southern Coapa district, Thursday, September 28, 2017. The memorial is located two blocks away from the Enrique Rebsamen School where according to the Mexican Navy, 11 children were rescued from the rubble. (Photo by Moises Castillo/AP Photo)





In this Monday, September 25, 2017 photo, flower wreaths, clothing, sewing supplies and a mannequin make up a memorial honoring those who died at 168 Bolivar Street when the five-story office and factory building was felled by an earthquake, in Mexico City. Businesses were located on four floors of offices at the building. Each business had no more than a half-dozen employees and there were likely no more than 50 people believed to be inside the building when the quake struck. (Photo by Rebecca Blackwell/AP Photo)





Various supplies and military vehicles are loaded into the C-17 Loadmaster as approximately 150 4th Sustainment Brigade, 4th Infantry Division soldiers were deployed to Puerto Rico and the Virgin Islands to provide sustainment support to Hurricane Maria Relief efforts at Fort Carson ADAC/G on Friday September 29, 2017 in Colorado Springs, Colo. (Photo by Dougal Brownlie/The Gazette via AP Photo)





In this photo provided by the NHRA, Robert Hight slows after a run in Funny Car qualifying Friday, September 29,2 017, at the AAA Insurance NHRA Midwest Nationals drag races in Madison, Ill. (Photo by Marc Gewertz/NHRA via AP Photo)





In this photo provided by the NHRA, Clay Millican drives during Top Fuel qualifying at the AAA Insurance NHRA Midwest Nationals drag races at Gateway Motorsports Park in Madison, Ill., Friday, September 29, 2017. (Photo by Teresa Long/NHRA via AP Photo)





People arrive at temporary shelter after being evacuated from their village at Penuktukan village on September 27, 2017 in Buleleng regency, Island of Bali, Indonesia. Indonesian authorities declared a state of emergency as hundreds of tremors are recorded at Bali's Mount Agung volcano and around 90,000 villagers evacuated their homes. Authorities issued travel warnings for the popular tourist destination and warned Mount Agung has the potential to erupt imminently although flights to Bali and its main tourist areas remain unaffected for now. (Photo by Ulet Ifansasti/Getty Images)





A police man stands guard at the site of a suicide attack outside a Shiite mosque in Kabul, Afghanistan, Friday, September 29, 2017. A suicide bomber blew himself up outside a Shiite mosque in the Afghan capital Kabul on Friday, killing four people and wounding 20 others, authorities said. (Photo by Massoud Hossaini/AP Photo)





A local train drives past a pedestrian bridge where a stampede occurred earlier in the morning in Mumbai, India, Friday, September 29, 2017. The stampede broke out on a crowded pedestrian bridge connecting two railway stations in Mumbai during the Friday morning rush, killing a number of people police said. (Photo by Rafiq Maqbool/AP Photo)





A woman carries a sack of flowers on her head as she walks across a pedestrian bridge where a stampede took place at the Elphinstone station, in Mumbai, India, Friday, September 29, 2017. (Photo by Rafiq Maqbool/AP Photo)





An Indian man mourns outside a morgue for a relative killed in a pedestrian bridge stampede, in Mumbai, India, Friday, September 29, 2017. (Photo by Rafiq Maqbool/AP Photo)





A man with the estelada, or independence flag, shouts slogans as he steers a tractor during a protest by farmers in Barcelona, Friday, September 29, 2017. Authorities in Catalonia aim to ensure that a disputed referendum on independence from Spain will take place peacefully on Sunday despite a crackdown on the vote by the national government, the region's interior chief said. The small placard read: “Freedom”. (Photo by Francisco Seco/AP Photo)





A couple kisses during a protest regarding the referendum in Barcelona, Spain, Thursday, September 28, 2017. Thousands of striking university students are marching through Barcelona to protest an intensifying central government crackdown on Sunday's planned independence referendum in Catalonia. (Photo by Manu Fernandez/AP Photo)





People with the estelada, or independence flags, shout slogans on top of parked tractors during a protest by farmers in Barcelona, Friday, September 29, 2017. (Photo by Francisco Seco/AP Photo)





Furniture design “Chair” by Allen Jones ( £600,000-800,000) is seen at Christie's London on September 29, 2017 in London, England. Christie's Auction House is to sell millions of pounds worth of art and design from the 20th and 21st centuries during Frieze Week from October 3rd to October 7th. (Photo by Nils Jorgensen/Rex Features/Shutterstock)