
1. **Era**: Ancient China, as the story is rooted in a Chinese fable from antiquity.
2. **Age**: Elderly, to represent Yu Gong as a wise and aged figure.
3. **Appearance**:
   - Long beard and white hair, symbolizing his age and wisdom.
   - Traditional attire, reflecting the cultural and historical context.
   - Kindly face, to show his benevolence.
   - Resolute eyes, indicating his unwavering determination.
4. **Family Environment**:
   - Ancient rural China, to emphasize the setting and the simplicity of life.
   - At the foot of the mountains, where the village is located, providing the backdrop for the story.
   - Vast fields, illustrating the agricultural setting and the scale of the challenge.
   - United family, working together towards a common goal.
   - Generational legacy, highlighting the importance of the task to Yu Gong's lineage.
5. **Country**: China, to maintain the cultural and geographical authenticity of the story.
6. **Personality**: Resolute, wise, and optimist