The white poplar is no ordinary tree. Letme sing its praises. When you travel by car through NorthwestChina’s boundless plateau, all you see before youis something like a huge yellow-and-green feltblanket. Yellow is the soil—the uncultivated vir-gin soil. It is the outer covering of the loessplateau accumulated by Mother Nature severalhundred thousand years ago. Green are thewheat fields signifying man’s triumph overnature. They become a sea of rolling green Let me sing its praises. When you travel by car through NorthwestChina’s boundless plateau, all you see before youis something like a huge yellow-and-green feltblanket. Yellow is the soil-the uncultivated vir-gin soil It is the outer covering of the loessplateau accumulated by Mother Nature severalhundred thousand years ago. Green are thewheat fields signifying man’s triumph overnature. They became a sea of ​​rolling green