FILE PHOTO: U.S. Treasury Secretary Janet Yellen visits China

    FILE PHOTO: A staff member wearing a face mask walks past United States and Chinese flags set up before a meeting between Treasury Secretary Janet Yellen and Chinese Vice Premier He Lifeng at the Diaoyutai State Guesthouse in Beijing, China, Saturday, July 8, 2023. Mark Schiefelbein/Pool via REUTERS/File Photo