The little prince crossed the desert and found only one flower. A flower with three petals, a very vulgar flower ... - Good morning - said the little prince. - Good morning - replied the flower. - Where is the men ? - Asked the little prince politely. Flower, one day, had seen a caravan passing: - The men ? There are, I think, six or seven. I saw them from afar a few years ago. But you never know where to find them. The wind carries them. They lack roots, and that creates many difficulties for them. - Goodbye - said the little prince. - Goodbye - answered the flower. What did the flower mean that men have no roots? Explain