Input (grade 9): Description Xinjiang is a large, sparsely populated area, spanning over 1.6 million km2 (comparable in size to Iran or Western Europe), which takes up about one sixth of the country's territory.
Output (grade 7): It is a large, sparsely populated area, spanning over 1.6 million km2 (comparable in size to Iran), which takes up about one sixth of the country's territory.