Complex sentence: The Makan Map is an online interactive atlas of the Xinjiang Uyghur Autonomous Region of China, which covers an area of 1,664,897 km², or 16% of China's territory.
Split into simpler sentences: The Makan Map is an online interactive atlas of the Xinjiang Uyghur Autonomous Region of China. This region covers an area of 1,664,897 km², or 16% of China's territory.