Though there is a saying that goes "be more careful with water than the mountain", we should not take lightly the dangers of the mountain. Recently, there were again some hikers who lost their lives in the mountains. The victims were quite young and healthy. Therefore, it is not only older hikers who need to be more cautious. Nowadays many retired older adults love to go hiking, so we need to remind them about safety issues. Don't ever let them go hiking by themselves. They should always go together with a group of people.