Performers spray molten iron against a concrete wall to celebrate the Lantern Festival in Nuanquan town of Yuxian County, Hebei province, February 16, 2011. For over 300 years, the town has carried out the tradition of spraying molten iron at 1,300 degrees Celsius (2,372 degrees Fahrenheit) against a cold concrete wall to form sparks-like fireworks during the Lantern Festival, which falls on Thursday Feb 17. [Photo/Xinhua] 

A performer sprays molten iron against a concrete wall to celebrate the Lantern Festival in Nuanquan town of Yuxian County, Hebei province, February 16, 2011. For over 300 years, the town has carried out the tradition of spraying molten iron at 1,300 degrees Celsius (2,372 degrees Fahrenheit) against a cold concrete wall to form sparks-like fireworks during the Lantern Festival, which falls on Thursday Feb 17. [Photo/Xinhua] 

A performer sprays molten iron against a concrete wall to celebrate the Lantern Festival in Nuanquan town of Yuxian County, Hebei province, February 16, 2011. For over 300 years, the town has carried out the tradition of spraying molten iron at 1,300 degrees Celsius (2,372 degrees Fahrenheit) against a cold concrete wall to form sparks-like fireworks during the Lantern Festival, which falls on Thursday Feb 17. [Photo/Xinhua]