I know I posted a comment earlier, and it disappeared. (I can't believe it was pulled for any reason.) Never had this happen on land. After PANDA, we took the same excursion and had the same haze when we took the helicopter, and it sure was hot inside until we took off.
Tour sounds very similar, though I don't remember anything about Ho's body. I remember seeing the Mausoleum and later his house. I also remember that we had a pretty good lunch. (I usually remember the food.)
Looking forward to more news and great photos.
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Eugene