
Polish Joanna Fiodorow competes during Women's Hammer Throw Final on Day 4 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 8, 2017. Joanna Fiodorow took the sixth place with 73.04 metres. (Xinhua/Wang Lili)

Polish Joanna Fiodorow competes during Women's Hammer Throw Final on Day 4 of the 2017 IAAF World Championships at London Stadium in London, Britain, on Aug. 8, 2017. Joanna Fiodorow took the sixth place with 73.04 metres. (Xinhua/Wang Lili)