Opening day of Mobile World Congress in BarcelonaSony Mobile Communications ' Global Sales & Marketing Executive Vice President Hideyuki Furumi ( C ) , presents the new Sony Xperia XZ Premium , during the opening day of the Mobile World Congress ( MWC ) at the L ' Hospitalet de Llobregat congress center , in Barcelona , northeastern Spain , 27 February 2017 . More than 101 , 000 professionals and 2 , 200 exhibitiors attend the congress said to be the largest of its kind for the mobile industry from 27 February to 02 March which is expected to be visited by tens of thousands of visitors . EPA / ALBERTO ESTEVEZ 대박 난 흥부 가 즐겨 찾 는 # 흥 ( 클릭 ! )