Japan's e-commerce giant Rakuten holds a business conference Rakuten Optimism 2019 in Yokohama
August 2, 2019, Yokohama, Japan - Kyoto University professor and Nobel laureate Shinya Yamanaka speaks at a panel discussion "Medical frontiers of cancer treatment" at Japanese e-commerce giant Rakuten's business conference "Rakuten Optimism 2019" in Yokohama, suburban Tokyo on Friday, August 2, 2019. (Photo by Yoshio Tsunoda/AFLO)