It has been observed that when humans keep in touch with the natural world, their health may be better, although the contact is no more than seeing flowers, trees, shrubs, and birds through a window.
यह बात एक न्यू यॉर्क सिटी अस्पताल को अपनी छत पर एक बग़ीचा लगाने की ओर ले गयी ।