First of all, the outdoor gym needs to consider the weather. Even if it is covered with objects, it is not safe, reliable and worry-free indoors because it is outdoor.
Secondly, the problem of personnel flow, which is more complicated, may lead to the damage or dirt of fitness equipment because of personal carelessness.
Another point is the time and place. When the working people are free, they meet the older generation for a walk at night, so there will be situations such as grabbing positions, which is actually not easy to get.
To sum up, Xiao Gu believes that it is better to stay indoors if conditions permit, after all, the pace of exercise can be arbitrary.