A three-meter-high fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A three-meter-high fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A three-meter-high fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A three-meter-high fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

A three-meter-high fire tornado is created in the State Key Laboratory of Fire Science in Hefei in central China on Oct. 23 2013. Based in the University of Science and Technology of China, the laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

The State Key Laboratory of Fire Science is base in the University of Science and Technology of China in Hefei in central China. The laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

The State Key Laboratory of Fire Science is base in the University of Science and Technology of China in Hefei in central China. The laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

The State Key Laboratory of Fire Science is base in the University of Science and Technology of China in Hefei in central China. The laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

The State Key Laboratory of Fire Science is base in the University of Science and Technology of China in Hefei in central China. The laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings. 

The State Key Laboratory of Fire Science is base in the University of Science and Technology of China in Hefei in central China. The laboratory mainly studies fire disasters in limited spaces to help to prevent fires in buildings.