Helan Mountains. The Mountains At The Junction Of Northwest Ningxia Hui Autonomous Region And Inner Mongolia Autonomous Region Are 220 Kilometers Long In North And South, 20-40 Kilometers Wide In East And West, 2000-3000 Meters Above Sea Level, And 3556 Meters In Main Peak. They Are One Of The Dividing Mountains In China`s Internal And External Watersheds.

KEYWORDS

ancient autonomous chinas cliff cloud cultural defensive dividing external famous forest helan hill hui inner internal junction landscapes mongolia mountain mountains natural ningxia northwest peak plank region road rock sky steep stone tourist tree watersheds