Both the Lvliang area investigated in this study and the Yan'an area are located in the Loess Hill Ravine Region, and the average thickness value of the individual landslides in Lvliang section is close to that in Yan'an.

Case 3 Whispering Jack: Jack was a quiet and perceptive young man who was well respected by his peers.

Better 'twere I met the ravin lion when he roared With sharp constraint of hunger;

I made some donations to the charity, not in money, but in kind, such as non-perishable food.