Memory Improved 20% by Nature Walk

So this article was all about how nature affects our cognitive function. In an experiment participants were given a task, which involved repeating numbers they heard in reverse. After about 35 minutes of this the participants took a break. Some went to a busy street while the others went to an arboretum (a place where there are a lot of trees). When they returned and continued with the tests, those that went to an arboretum improved by 20% while those that went to the busy streets didn’t improve at all. In another experiment the participants didn’t leave the room at all; instead they looked at pictures. Those that stared at pictures of nature had improvements, but not as great as actually walking through nature. The other participants that looked at pictures of urban environments had no improvement.
So does nature really help us? I definitely think that taking a walk outside in a peaceful area can help a person relax and concentrate on something for a longer time period. Nature helps our minds by easing the tension and thinking about stuff we like. I mean think about, if you lived in a city and were walking on the streets you would always have to watch out for cars and other people. While on the other hand in nature you rarely have to keep watch out for something. Overall, I believe that nature does improve our memory because of the fact that many people improve after spending a little time with nature.