The fourth is altitude. I asked a colleague how he found Vietnam. I was surprised to hear him say it said it was windy, desolate, and cold as hell. It did not m

The fourth is altitude. I asked a colleague how he found Vietnam. I was surprised to hear him say it said it was windy, desolate, and cold as hell. It did not match my experience at all. Turns out he had been hanging out at 30 000 feet the whole time!