You come across a bear. Your next move is very important. Do you know what to do?
https://edition.cnn.com/travel/article/bear-encounters-prevent-attacks-wellness/index.html
When we encounter a bear, we can't afford to distinguish black bear from grizzly. So, it's confusing that there are different countermeasures between avoiding black bear and avoiding grizzly. So, it would be important for us to take experts about climbing mountains, when we go hiking.
