On August 17, tourists visited the Huanglong Cave for a summer retreat. During the summer vacation, the Huanglong Cave Scenic Area in Zhangjiajie has embraced a surge in popularity for its cool-off tours. With a constant temperature of 16°C year-round, the cave has attracted numerous visitors to admire the mysterious underground cave scenery and escape the summer heat. This year, the cave has upgraded its lighting system, introducing a naked-eye 3D light and shadow tour. Utilizing light and shadow technology, natural landscapes inside the cave are cleverly transformed into fantastical and vibrant scenes, immersing visitors in a dreamlike fairy-tale world. (Photo/Guo Liliang, Hunan Daily)

On August 17, tourists visited the Huanglong Cave for a summer retreat. During the summer vacation, the Huanglong Cave Scenic Area in Zhangjiajie has embraced a surge in popularity for its cool-off tours. With a constant temperature of 16°C year-round, the cave has attracted numerous visitors to admire the mysterious underground cave scenery and escape the summer heat. This year, the cave has upgraded its lighting system, introducing a naked-eye 3D light and shadow tour. Utilizing light and shadow technology, natural landscapes inside the cave are cleverly transformed into fantastical and vibrant scenes, immersing visitors in a dreamlike fairy-tale world. (Photo/Guo Liliang, Hunan Daily)

On August 17, tourists visited the Huanglong Cave for a summer retreat. During the summer vacation, the Huanglong Cave Scenic Area in Zhangjiajie has embraced a surge in popularity for its cool-off tours. With a constant temperature of 16°C year-round, the cave has attracted numerous visitors to admire the mysterious underground cave scenery and escape the summer heat. This year, the cave has upgraded its lighting system, introducing a naked-eye 3D light and shadow tour. Utilizing light and shadow technology, natural landscapes inside the cave are cleverly transformed into fantastical and vibrant scenes, immersing visitors in a dreamlike fairy-tale world. (Photo/Guo Liliang, Hunan Daily)

On August 17, tourists visited the Huanglong Cave for a summer retreat. During the summer vacation, the Huanglong Cave Scenic Area in Zhangjiajie has embraced a surge in popularity for its cool-off tours. With a constant temperature of 16°C year-round, the cave has attracted numerous visitors to admire the mysterious underground cave scenery and escape the summer heat. This year, the cave has upgraded its lighting system, introducing a naked-eye 3D light and shadow tour. Utilizing light and shadow technology, natural landscapes inside the cave are cleverly transformed into fantastical and vibrant scenes, immersing visitors in a dreamlike fairy-tale world. (Photo/Guo Liliang, Hunan Daily)

On August 17, tourists visited the Huanglong Cave for a summer retreat. During the summer vacation, the Huanglong Cave Scenic Area in Zhangjiajie has embraced a surge in popularity for its cool-off tours. With a constant temperature of 16°C year-round, the cave has attracted numerous visitors to admire the mysterious underground cave scenery and escape the summer heat. This year, the cave has upgraded its lighting system, introducing a naked-eye 3D light and shadow tour. Utilizing light and shadow technology, natural landscapes inside the cave are cleverly transformed into fantastical and vibrant scenes, immersing visitors in a dreamlike fairy-tale world. (Photo/Guo Liliang, Hunan Daily)

责编：田梦瑶

一审：田梦瑶

二审：秦慧英

三审：张权

来源：湖南省政府门户网