The Loess Plateau of northwest China, which is the world's largest and thickest accumulation of loess; covers parts of Shanxi, Shaanxi, Gansu, and Henan provinces.

literally facing the ground and having one's back to the sky; describes the grueling manual labor of peasants working in the fields

A slogan used in Northern China for urban greening projects, meaning "no bare yellow soil should be exposed to the air".

a type of landscape characterized by deep deposits of loess or windblown silt