However, along with breathing natural air and enjoying the beautiful environment, people usually relax by simply walking or simply sitting on the park bench and playing with the birds and singing an encouraging song. In fact, people are doing a wide variety of things in the park. However, some of them bring their children or pets to spend moments together playing or simply walking. Therefore, the observation also shows that people feel the source of enjoyment while talking/communicating with their friends while playing some games like chess or puzzle.