It's a 90 minute drive from HCMC and really not worth it. You can crawl through a piece of tunnel that is twice the size of the original ones. Its hot inside and crowded. I saw someone crying when she got out after 30 Meters.
They show a sort of entertaining propaganda movie from the 60ies in the beginning that is black and white in many ways. You can also shoot guns there, if you're into that, which we are not.
I think there are better ways to spend your time and money in Vietnam. I would not recommend this trip.
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