You can travel to Guilin on the National Day in 2021, and this season is the best season in Guilin. Guilin osmanthus trees grow into forests, and autumn is the season when osmanthus trees are in bloom. Guilin is the city with the largest number of osmanthus trees planted in China. In the autumn season, the fragrance of the city gives people a good feeling, which is simply unnecessary, and autumn is refreshing.