Samit Ijon receives a Guinness record certificate after he successfully finished a walk on a 15-meter long steel rope suspended 30 meters above the ground by two hot air balloons in Shaoyang, Central China's Hunan province, August 7, 2011. [Photo/CFP]

Samit Ijon shows his Guinness record certificate after he successfully finished a walk on a 15-meter long steel rope suspended 30 meters above the ground by two hot air balloons in Shaoyang, Central China's Hunan province, August 7, 2011. [Photo/CFP]