... development in Ninh Binh province Morphostructure features of 36 caves, including famous caves in Yen Mo -Tam Diep area were studied and described here Some geological - geomorphological characteristics ... [2] Luyen Nguyen Ngoc, Doan Dinh Lam et all., Study a scientific aspects and measures for exploration karst cave potential in Tam DiepYen Mo, Ninh Binh, Kenh Ga-Van Trinh, Van Long, Ninh Binh for ... Entrance of Ong Mich cave (Photo Doan Dinh Lam, 2006) Fig.21 Curtains in OngMich cave (Photo Doan Dinh Lam, 2006) 3.5 Cave Ma Tien Location: Dong Thai, Yen Dong, District Yen Mo, Ninh Binh 200.04’,...