A worker at the imported beef section of a supermarket that used to carry U.S. products chats with another in Beijing on Tuesday, May 14, 2019. China announced higher tariffs Monday on $60 billion worth of American goods in retaliation for President Donald Trump's latest penalties on Chinese products. (Photo by Ng Han Guan/AP Photo)





Dancers perform as part of an evening gala staged for the opening ceremony of the International Horticultural Exhibition in Beijing, China on April 28, 2019. (Photo by Jin Liangkuai/Xinhua News Agency/Barcroft Images)





In this Thursday, March 28, 2019, file photo, a woman in wedding attire poses for a photo portrait along a busy street in Xi'an in northwestern China's Shaanxi Province. One of the ancient capitals of China, Xi'an is home to the world-renowned Terracotta Warriors. (Photo by Mark Schiefelbein/AP Photo)





This aerial photo taken on April 24, 2019 shows fishing boats heading back to a port as fisherfolks prepare for the summer fishing moratorium in Lianyungang in China's eastern Jiangsu province. The summer fishing moratorium of the Yellow Sea and the East China Sea waters will start on May 1. (Photo by AFP Photo/Stringer)





A young woman takes pictures of the city with her mobile phone, from the glass-floor observation platform, in the Oriental Pearl Tower, in the financial district of Shanghai, on May 9, 2019. (Photo by Hector Retamal/AFP Photo)





A woman walks past the entrance to the Auto Shanghai 2019 show in Shanghai on Monday, April 15, 2019. This year's Shanghai auto show which starts Thursday highlights the global industry's race to make electric cars Chinese drivers want to buy as Beijing winds down subsidies that promoted sales. (Photo by Ng Han Guan/AP Photo)





In this April 2, 2019, photo, visitors drive virtual reality bumper cars in a VR theme park in Nanchang, China. One of the largest virtual reality theme parks in the world has opened its doors in southwestern China, sporting 42 rides and exhibits from VR roller coasters to VR shoot-em-ups. It's part of an effort by Beijing to get ordinary people excited about the technology – part of a long-term bet that VR will come into widespread use. (Photo by Dake Kang/AP Photo)





In this April 2, 2019, photo, people walk by a giant robot statue at a virtual reality “base” in Nanchang, China. The city is trying to position itself as a leader in VR technology, opening one of the largest virtual reality theme parks in the world to get ordinary people excited about the technology. It's part of China's long-term bet that VR will come into widespread use. (Photo by Dake Kang/AP Photo)





People look on as kites in various shapes fly in the sky during the International Kite Festival in Weifang, Shandong province, China April 20, 2019. (Photo by Reuters/China Stringer Network)





Staff members prepare the seats at a hall before the Boao Forum for Asia in Qionghai, Hainan province, CHina March 25, 2019. (Photo by Reuters/China Stringer Network)





A conductor waits for an approaching train in Huawei's Ox Horn campus at Songshan Lake in Dongguan, Guangdong province, China March 25, 2019. (Photo by Tyrone Siu/Reuters)





People wearing virtual reality (VR) headsets watch films at a newly opened VR cinema by Er Dong Pictures in Beijing, China on March 27, 2019. (Photo by Lin Hui/Beijing Youth Daily via Reuters)





Offerings are displayed for sale at a wholesale market where supplies for ceremonial rites for the dead are sold, in Mibeizhuang, Xiong county, Hebei province, China March 24, 2019, ahead of the annual Qingming tomb-sweeping festival on April 5. Dubbed by locals as the “Ghost Street”, the market offers paper-made items including Hell notes and paper replicas of everyday items, and is referred to by local media as the largest of its kind in the country. (Photo by Jason Lee/Reuters)





Firefighters take part in a candlelight vigil after a forest fire that broke out Saturday in Muli county, Sichuan province killed 30 firefighters, in Rongan county, Guangxi Zhuang Autonomous Region, China April 2, 2019. (Photo by Reuters/China Stringer Network)





A staff member sets up a sign in the shape of a space suit at the C-Space Project Mars simulation base in the Gobi Desert outside Jinchang, Gansu Province, China, April 17, 2019. Apart from being a tourist attraction, the camp has collaborated with the Astronauts Center of China (ACC) to eventually turn the facility into an astronaut-training center. (Photo by Thomas Peter/Reuters)





A guide wearing a spacesuit puts on a helmet at “Mars Base 1”, a C-Space Project, in the Gobi desert, some 40 kilometres from Jinchang in China's northwest Gansu province on April 17, 2019. Surrounded by barren hills in northwest Gansu province, “Mars Base 1” opened to the public on April 17 with the aim of exposing teens – and soon tourists – to what life could be like on the planet. (Photo by Wang Zhao/AFP Photo)





Students leave a mock space capsule after a lesson at the C-Space Project Mars simulation base in the Gobi Desert outside Jinchang, Gansu Province, China, April 17, 2019. (Photo by Thomas Peter/Reuters)





A Chinese military dance troupe performs during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. Ships from Chinese and foreign navies have gathered in Qingdao for events this week, including a naval parade, to mark the 70th anniversary of the founding of the People's Liberation Army (PLA) Navy. (Photo by Jason Lee/Reuters)





Chinese sailors sit during a concert featuring Chinese and foreign military bands in Qingdao, Monday, April 22, 2019. Ships from Chinese and foreign navies have gathered in Qingdao for events this week, including a naval parade, to mark the 70th anniversary of the founding of the People's Liberation Army (PLA) Navy. (Photo by Mark Schiefelbein/AP Photo)





Volunteers practice smiling during an etiquette training session for the 2nd National Youth Games on May 8, 2019 in Taiyuan, Shanxi Province of China. (Photo by VCG/VCG via Getty Images)