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On September 2, tourists visited the Yueyan Scenic Area in Daoxian County. Characterized by karst topography, a sinkhole in the area produces a unique Tyndall effect when illuminated by sunlight. Sunbeams penetrating the cave create fantastical light and shadow patterns, making the place a favorite destination for photography enthusiasts. (Photo/Jiang Keqing)

On September 2, tourists visited the Yueyan Scenic Area in Daoxian County. Characterized by karst topography, a sinkhole in the area produces a unique Tyndall effect when illuminated by sunlight. Sunbeams penetrating the cave create fantastical light and shadow patterns, making the place a favorite destination for photography enthusiasts. (Photo/Jiang Keqing)

On September 2, tourists visited the Yueyan Scenic Area in Daoxian County. Characterized by karst topography, a sinkhole in the area produces a unique Tyndall effect when illuminated by sunlight. Sunbeams penetrating the cave create fantastical light and shadow patterns, making the place a favorite destination for photography enthusiasts. (Photo/Jiang Keqing)

On September 2, tourists visited the Yueyan Scenic Area in Daoxian County. Characterized by karst topography, a sinkhole in the area produces a unique Tyndall effect when illuminated by sunlight. Sunbeams penetrating the cave create fantastical light and shadow patterns, making the place a favorite destination for photography enthusiasts. (Photo/Jiang Keqing)

This article is from the Hunan Provincial Government www.enghunan.gov.cn.

責(zé)編：王柯灃

一審：王柯灃

二審：秦慧英

三審：張權(quán)

來源：湖南省政府門戶網(wǎng)