A shower of molten iron sparks like fireworks during a performance at a lantern festival in Changsha, Central China’s Hunan Province, December 24, 2019. With a history of over 1,000 years, the classic molten iron sparks show was recognized as national-level intangible cultural heritage in 2008. Photo: China News Service

A shower of molten iron sparks like fireworks during a performance at a lantern festival in Changsha, Central China’s Hunan Province, December 24, 2019. With a history of over 1,000 years, the classic molten iron sparks show was recognized as national-level intangible cultural heritage in 2008. Photo: China News Service

A shower of molten iron sparks like fireworks during a performance at a lantern festival in Changsha, Central China’s Hunan Province, December 24, 2019. With a history of over 1,000 years, the classic molten iron sparks show was recognized as national-level intangible cultural heritage in 2008. Photo: China News Service