Question 26. People have reported that Thien Duong is the longest cave in Vietnam.

Submitted by api on Thu, 08/21/2025 - 20:29
Point
1.00
Quiz Section
Section 1
Position
26.00
Question Type
Multiple Choice
Master uuid
1fef1cf5-3d16-4054-9b25-df43c0f3484e
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