Don't forget to draw and write words when drinking water.

Chairman Mao carefully went down to the bottom of the well with lanterns and shovels, and laid pebbles and charcoal. While working, the chairman thought: in the future, people around him can finally drink clear and sweet spring water, and they don't have to pick muddy and dirty water in the pond to eat! Thought of here, his face could not help but show a knowing smile, completely forgetting the fatigue of his body.