Huge cave in Vietnam

In Phong Nha-Ke Bang National Park in central Vietnam, Thien Duong (Paradise Cave) has been opened to visitors by the Truong Thinh Group (50 Nguyen Huu Canh St., The Palace, Dong Hoi, Quang Binh City, Vietnam; phone 052 3820024, fax 052 3823859 or e-mail info@truongthinhgroup.com.vn).

The 36-kilometer-long cave, part of which is 60 meters high and 30 to 150 meters wide, contains numerous limestone formations. Guided tours along a 1.1-kilometer walkway inside the cave cost VND120,000 (near $6).