What scenery are described in the four poems of Abo, Yujiaao, Guo Lingdingyang and Wang Yue at the foot of Beibao Mountain, and what feelings are expressed by the author?

The next berth on Beibao Mountain: It describes the beautiful early spring scenery in the lower reaches of the Yangtze River, expresses the poet's love for the mountains and rivers of the motherland, reveals his sincere homesickness, and also expresses his thoughts and feelings of missing his relatives in his hometown. This is a poem about travel. Fisherman's pride: a poem describing the frontier fortress scenery, expressing patriotic feelings and reflecting the hard life of frontier fortress soldiers. Crossing the ocean: What do you do when crossing the ocean? The poem outlines one's own life experience and destiny, shows impassioned patriotic enthusiasm, lofty moral integrity, loyalty to death, and the outlook on life that sacrifices one's life for righteousness, which is the highest expression of the traditional virtues of the Chinese nation. Wang Yue: By describing the majestic atmosphere of Mount Tai, he warmly praised the majestic momentum and magical and beautiful scenery of Mount Tai, showing his love for the mountains and rivers of the motherland, and expressing the poet's ambition and spirit of not being afraid of difficulties, daring to climb the summit and overlooking everything, as well as his great ambition of being independent and helping the people.