As the Northern Hemisphere is gradually swept up in waves of summer heat, Kunming, located at 25° north latitude, remains in a springlike embrace of 21°C. Now, Season 2 of “A Letter from Kunming” international communication series event, has officially begun. With its 21°C midsummer as the message, Kunming, China, is sending friends around the world an invitation scented with flowers, flavored with fresh wild mushrooms, and filled with openness and warmth. Kunming, the Spring City warmly invites visitors from across the globe to come and experience a summer without air conditioning.