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Whispering Echo Cave lies at the heart of the national tourist site Hương Sơn, Mĩ Đức district, Hà Tây province, 70 km southwest of Hanoi, and is renowned as the 'Southern Heavenly Cave' (the most beautiful cave in the southern sky). The panoramic view of Whispering Echo Cave
resembles a dragon's head surrounded by jade, with a stalactite mound sitting in the center - Grainy Mound - resembling a dragon's tongue. The large stalactite blocks hanging from the cave ceiling are the dragon's teeth, while the small round mountain peak visible from the cave entrance resembles a luminous pearl.
Deep within the cave, one encounters familiar scenes of everyday life such as: golden trees, silver trees, straw mounds, grain mounds, mother pigs, piglets, and the sound of flowing water day and night. Whispering Echo Cave is closely linked to Buddhist beliefs, with legend holding that Bodhisattva Avalokitesvara left his footprint here while ascending to the Southern Heaven. Hence, at the beginning of spring each year, thousands of pilgrims come here on a pilgrimage.'


8. Tam Thanh Cave
One of the renowned landscapes of Lạng land, Tam Thanh Cave is a large cave nestled halfway up a range of mountains shaped like elephant tusks covering the lush green grass. The cave wall also preserves a poem praising the beauty of the cave by Ngô Thì Sĩ.
Inside the cave, there are stalactites resembling fairies, lions, elephants... illuminated by light from 2 skylights, creating a dazzling yet profoundly mysterious atmosphere. Visitors not only admire the scenery but also immerse themselves in the serene and peaceful space of the famous Tam Thanh Pagoda.


9. Dich Long Cave
Dich Long Cave was considered by ancient people as one of the three beautiful caves, following only Hương Tích Cave and Bích Động - Xuyên Thủy Động. Standing at the entrance of Dich Long Cave, the wind blowing makes one feel like hearing a melodious flute. On the mountainous area is a cluster of uniquely architectural pagodas, 105 stone steps away from the main pagoda is a magnificent cave.
The cave is divided into 3 parts: the Buddha worship cave, the bright cave, and the dark cave. Inside the cave are stalactites shaped like mythical creatures such as dragons, unicorns, elephants, and especially these stalactites change colors magically with the light. The cave bears the pristine beauty of nature, standing at the cave's entrance, one can overlook the vast green rice fields below, beautiful as an unforgettable watercolor painting.


10. Ngườm Ngao Cave
Among all the caves mentioned above, perhaps Ngườm Ngao Cave is the most pristine and least affected by human activity. Ngườm Ngao Cave is located in Cao Bang province, only about 3 km from Ban Gioc waterfall, and was formed 300 million years ago.
The cave has 3 main entrances: Ngườm Ngao, Ngườm Lồm, Ngườm Bản Thuôn. On the natural rock walls, countless fascinating images have been created by nature such as: golden waterfall, silver waterfall, solitary stone column, divine toad, or stone guitar... especially, the stalactites here have completely different colors compared to other caves due to the presence of limestone and various impurities. In the future, Ngườm Ngao Cave promises to be a tourist attraction of Cao Bang.


