Final answer:
To prepare for a flower festival in El Salvador, applying lotion made of herbs, wearing casual clothing, and putting on a light-colored outfit are essential steps.
Explanation:
To prepare for the flower festival in El Salvador, one thing you could do is apply lotion made of herbs to protect your skin from the sun and insects, as mentioned in the reference material. Wearing casual clothing and putting on a light-colored outfit can also help you stay comfortable during the event.
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