Longest human domino line
Ning Yang
China (Ordos City,Dongsheng District)

The longest human domino line was formed by 10,267 participants at the Ordos International Nadam Fair in Ordos City, Inner Mongolia Autonomous Region, China, on 12 August 2010.

The participants were students and other citizens from Ordos City. It took 69 minutes 43 seconds to complete the human domino line, which was about 7.2 km long.