Developing Social Connections Through Activities

Read the following paragraph:

During the summer, many people enjoy outdoor activities such as hiking, swimming, and picnicking. These hobbies not only provide physical exercise but also foster social connections and relaxation. Scientists have found that spending time in nature can enhance mental health, leading to improved mood and decreased anxiety levels. Additionally, participating in group activities can strengthen friendships and create lasting memories.

Which sentence could be added to further develop the idea of social connections mentioned in the paragraph?