Does anyone have an appreciation of Yu Guangzhong's "Looking North"?

Looking north, China is vast, and a shallow strait blocks the poet's eager gaze toward his hometown, but it cannot cut off his homesickness. For him, homesickness is a sweet feeling. It's both sour and sad, both simple and complex. The reason why Yu Guangzhong can write touching nostalgia poems is that he spent several years teaching in Hong Kong. The feeling of being close to his hometown provided him with many new themes and new feelings. Especially when he first went to Hong Kong, he was haunted by his soul and thought about his dreams. , all in the mainland, all in the "eighty million and five thousand years looking north" from Hong Kong.

The poem "Looking to the North" is not very famous, so there are very few dedicated appreciations, let alone every sentence.