勝木隼人が銅、メダル第１号　東京大会が開幕―世界陸上

男子３５キロ競歩で、銅メダルを獲得した勝木隼人。 The World Athletics Championships kicked off at the Japan National Stadium in Tokyo on Saturday, marking the first time the biennial competition has been held in the Japanese capital in 34 years since 1991.