FILE PHOTO: The booth of fast food restaurant company Yum China Holdings Inc. is seen at an investment and trade fair in Hefei, Anhui province, China May 17, 2017. Picture taken May 17, 2017. REUTERS/Stringer
FILE PHOTO: The booth of fast food restaurant company Yum China Holdings Inc. is seen at an investment and trade fair in Hefei, Anhui province, China May 17, 2017. Picture taken May 17, 2017. REUTERS/Stringer