What image and emotion did the fifth drinking express?

The most concentrated poetic image of this poem should be "under the hedge of picking chrysanthemums, leisurely seeing Nanshan." The mountains are getting better every day, and the birds are back. The images involved are "Chrysanthemum, Nanshan, Sunset and Birds". The previous sentence, picking chrysanthemums under the east fence. This picture is leisurely and comfortable, as in front of you; When the sun sets, birds return to their nests, everything returns, and expression returns to the countryside. Generally speaking, these dictionaries vividly express their joy at the return of rural life.