* Cold food day, also known as Haishi Day or Hansik, is a traditional festival that takes place in China, South Korea, and Vietnam. The festival honors ancestors and commemorates the death of Jie Zitui, a Jin nobleman from the 7th century BC. The festival is celebrated on the 105th day after the December solstice, which is usually April 4 or 5, and ends on the 107th day after the December solstice, which is usually April 6 or 7. The festival's primary activity is a taboo against using fire.
The poem expresses the poet’s deep concern for the safety and security of the Tang dynasty even though he was in his twilight years in the rivers and lakes. The first couplet summarizes the author’s life story, the first couplet describes what the poet saw and felt in the boat, the neck couplet describes the scenery on the river in the boat, and the last couplet summarizes the poem’s thoughts and feelings. The language of the poem is natural and refined, and the style is pale and melancholy.