Photo taken on Oct. 22, 2019 shows a worker fueling a hydrogen fuel cell electric vehicle at the Eco-Technology Research Institute of Hyundai-Kia Motors in Yongin, South Korea. Hyundai Motor Group, South Korea's automotive behemoth, aimed to continue guaranteeing its future growth in tandem with China's reform and opening-up, a Hyundai executive said. (Xinhua/Wang Jingqiang)