Tuyệt Tịnh Cốc Valley

Mã bài dự thi: 23681

Đơn vị: Cá nhân

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Tuyet Tinh Coc it\'s a valley with a lake surrounded by mountains that is part of Hoa Lu Citadel, Ninh Binh. A tunnel was built to access Am Tiên Cave. In the past under the reign of King Dinh Tien Hoang, this area was the place to punish the crime. The place was also used as a prison to detain the prisoners of war under the reign of King Le Dai Hanh.