A Chinese national flag flies as students practice Tai Chi on a high school playground during a Guinness World Record attempt of the largest martial arts display ever.
This attempt took place on Sunday October 18, 2015. It was a hazy day in Jiaozuo, Henan province, China.
The city successfully set the record by organizing over 50,000 residents to practise shadow boxing simultaneously at 15 different locations on Sunday morning, according to reports in local media.