Taliin Agui (Steppe Cave) is located 14 km to the north of Shiliin Bogd mountain in Dariganga sum, Sukhbaatar province. 

The cave was formed out of a volcanic air pressure in the ground. Taliin Agui is considered the largest of all caves in Mongolia.

The cave is located in the middle of vast steppe and stretches 200 meters in length and occupies total space of 100.000 cubic meters. 

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