Spring is coming, how do birds and white clouds compose music on the grassland of the river?

Spring has arrived, birds have flown back from the south, the grass has put on new green clothes, the fruit trees in the orchard have blossomed, the ice in the river has melted, and the river is flowing happily, shouting, "Spring is coming, spring is coming!" " "The river is full of colorful flowers, which brings vitality to spring. Make spring more beautiful.