That day in Beijing , Hong beat Cheng on her turf , with the vault that bears her name , bringing home North Korea 's first Olympic gold in gymnastics .
For two years , she had been practicing a vault made famous by Chinese world champion Cheng Fei .
That day in Beijing , Hong beat world champion on her turf , with the vault that bears her name , bringing home North Korea 's first Olympic gold in gymnastics .
For two years , she had been practicing a vault made famous by Chinese world champion Cheng Fei .