Overexploitation of river systems and oases has exacerbated the problem. 過度開發河流系統和綠洲使水資源問題進一步惡化。
Foremost among these is the existence of the Himalaya Mountains, which produce southern Asia's monsoon climate and vast river systems. 最重要的因素是，喜馬拉雅山的存在造成了南亞的季風氣候和龐大的河流系統。
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