Bronze medalist Orlando Ortega of Spain poses for photos during the medal ceremony of the men's 110m at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

Bronze medalists Pascal Martinot-Lagarde (L) of France and Orlando Ortega of Spain pose for photos during the medal ceremony of the men's 110m at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

IAAF President Sebastian Coe reacts during the medal ceremony of the women's 200m at the 2019 IAAF World Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

Authorised neutral athlete Sergey Shubenkov poses for photos during the medal ceremony of the men's 110m final at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

Gold medalist Grant Holloway of the United States poses for photos during the medal ceremony of the men's 110m at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

Gold medalist Grant Holloway (2nd L) of the United States, silver medalist Authorised neutral athlete Sergey Shubenkov (1st L), bronze medalists Pascal Martinot-Lagarde (2nd R) of France and Orlando Ortega of Spain pose for photos during the medal ceremony of the men's 110m at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)

Gold medalist Grant Holloway (2nd L) of the United States, silver medalist Authorised neutral athlete Sergey Shubenkov (1st L), bronze medalists Pascal Martinot-Lagarde (2nd R) of France and Orlando Ortega of Spain pose for photos during the medal ceremony of the men's 110m at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 3, 2019. (Xinhua/Li Ming)