SPAIN-BARCELONA-MOBILE WORLD CONGRESS-COVID-19-PREVENTION

(220303) -- BARCELONA, March 3, 2022 (Xinhua) -- A staff member disinfects an autowalk during the Mobile World Congress (MWC) in Barcelona, Spain, March 3, 2022. This year, the MWC hosts over 1,500 exhibitors from 183 countries and regions at Barcelona between Feb. 28 and March 3 to show the will of the sector to relaunch. (Photo by Gustavo Valiente/Xinhua)