The tour guide reminded the tourists of the precautions.

Remind the main aspects, first, the weather and temperature, inform the guests, pay attention to the temperature changes, and appropriately increase or decrease clothes. Drink more water, not raw water, but hot water. Second, the length of the ride, be prepared to remind you of motion sickness, and third, the situation of going to scenic spots, such as whether to climb mountains or take a boat, so that guests can prepare their own crutches. Fourth, safety precautions, driving safety and financial safety. According to this framework, add something to it according to your local conditions.