(1) (Example) Understand the natural environment of hometown, feel the folk customs of hometown and explore the history and culture of hometown. This is the wish of a young artist to participate in the activity of "Tracing the Source of Mother River". (or: I am a small tree by the Yellow River, eager to root deeply into the fertile soil of my hometown and learn from the cultural milk of my hometown. Please allow me to participate in the "Mother River Pursuit" activity! ) (that's right)

(2) (Example) Trace the flowing water at the source of Qinglong and explore the history and culture of hometown. (or: trace back to the source to understand Qinglong and strive to serve your hometown. )? (The answer is not unique)