Imagine that you live in a large city. You've had a stressful day. You need to relax and clear your mind! Which of these would you choose? a. Go out for dinner with friends. b. Take a walk in a city park. c. Play video games. d. Work out at an indoor gym. 2 All of these are popular ways to relax and clear your mind but only one will really help: Take a walk in a city park. Why is that? According to experts, it is because when we are in nature, our emotions are more positive and our thinking is clearer. 3 Researchers at Stanford University in California did an experiment to find out how nature influences people (Bratman, et al, 2015), They divided 60 people into two groups group spent 50 minutes walking in a busy city. The other group spent 50 minutes walking in a natural area with trees and grass.They tested the people before and after their walks. The scientists found that after walking, the nature walkers showed different brain activity. Their brains showed less activity for negative