It's mid-August, and the residual heat of summer still envelopes this mountain town. When night falls and the lights first come on, the streets and alleys are filled with the aroma of food. After dinner, men, women and children walked out of their homes one after another, strolling in the courtyard, laughing and chatting, and a beautiful picture of harmonious coexistence slowly unfolded. This is the prosperity scene in the new era. People's faces are filled with happiness and joy, reflecting the brilliant achievements of socialist modernization.