Complex sentence: The Kasai watershed consists mainly of equatorial rainforest areas.It is a tributry of Zyre river and diamonds are found in this river.60% of diamonds in belgium go from Kasai river for cutting and shaping.
Split into simpler sentences: The Kasai watershed consists mainly of equatorial rainforest areas.It is a tributry of Zyre river and diamonds are found in this river. Around 60% of diamonds in belgium go from Kasai river for cutting and shaping.