Burundi's Diane Nukuri (L in front) helps Britain's Joanne Pavey up from the tracks after the women's 10,000m final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 12, 2016. Ethiopia's Almaz Ayana claimed the gold and set a new world record with a time of 29:17.45. (Xinhua/Li Ming)
