Over 10,000 students and their teachers staged a grand outdoor Yu opera show at a local high school in central China's Henan Province on Sunday, breaking a Guinness world record. /VCG Photo

The students dressed in bright red costumes and sang in chorus. Their teachers donned traditional Chinese opera attires and led the performance. /VCG Photo

The record-breaking performance is part of a local celebration of the upcoming 70th anniversary of the founding of the People's Republic of China. /VCG Photo

Yu opera, or Henan opera, originated in central China's Henan Province and is one of the major opera forms in China. /VCG Photo