D2 sentence: Birch forest, with the life closest to nature, interprets the harmonious rhythm between nature and human beings, integrates the eternity of life, and experiences solemn greatness in this eternal life.
D3 sentence: Birch trees are shrouded in dreamlike silence, and golden Mars dances on snowflakes; The morning glow shines lazily around it, scattering more silver scraps all over the branches.