Gold medalist Ri Se Gwang (C) of the Democratic People's Republic of Korea, silver medalist Le Thanh Phuong (L) of Vietnam and bronze medalist Artur Davtyan of Armenia celebrate during the victory ceremony for Men's Vault at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. (Xinhua/Chen Shaojin)
Marijo Moznik of Croatia competes during Men's Horizontal Bar final at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Moznik won the gold with 14.925 points. (Xinhua/Chen Shaojin)
Ri Se Gwang of the Democratic People's Republic of Korea salutes the national flag during the victory ceremony for Men's Vault at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Ri Se Gwang won the gold with 15.137 points. (Xinhua/Chen Shaojin)
Le Thanh Phuong of Vietnam competes during Men's Vault at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Le Thanh Phuong won the silver with 15.062 points. (Xinhua/Chen Shaojin)
Oliver Hegi of Switzerland competes during Men's Horizontal Bar final at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Hegi won the bronze with 14.825 points. (Xinhua/Chen Shaojin)
Gold medalist Marijo Moznik of Croatia (C), silver medalist Jeffrey Wammes (L) of the Netherlands and bronze medalist Oliver Hegi of Switzerland pose for a photo during the victory ceremony for Men's Horizontal Bar event at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013.(Xinhua/Chen Shaojin)
Larisa Andreea Iordache of Romania competes during Women's Beam Final at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Iordache won the gold with 15.500 points. (Xinhua/Chen Shaojin)
Gabrielle Jupp of Britain competes during Women's Beam Final at the FIG Artistic Gymnastics World Challenge cup in Doha, capital of Qatar, March 29, 2013. Jupp won the bronze with 14.450 points. (Xinhua/Chen Shaojin)
