Final answer:
The Xi Jiang River in East Asia primarily flows in the West to East direction, starting from the western Yunnan province and merging into the South China Sea.
Step-by-step explanation:
The Xi Jiang River, also known as the West River, is one of the significant river systems in China apart from the Yangtze and Yellow River. This river primarily flows in the West to East direction. Starting from the Yunnan province in the west, it passes through several provinces like Guangxi and Guangdong before finally merging into the South China Sea.
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