1, geographical limitation: Yagu, Ziyang is located in a mountainous area with complex terrain and inconvenient transportation. The mountain road is rugged and the road conditions are difficult, so it is often necessary to go through tortuous mountain roads to reach it, which increases the difficulty of entering Yagu.
2. Hard natural environment: The mountains around Yagu are high and dangerous, and the terrain is steep, which is often affected by natural disasters such as landslides and mudslides. These natural disasters have brought great risks and inconveniences to people entering Yagu, Ziyang.