Read the answer to another May night.

1. describes the beautiful night scene in May and expresses the author's love for his hometown and nature.

2. Deep affection for hometown (uncertain)

3. it's different. The first part is lamenting the beautiful night in May in my hometown. The second part is to highlight the feeling and emphasize the beauty of the night.

4. The advantage is that it vividly depicts the scene of birch trees being gently blown under the night wind.