It’s hot, and your local river looks enticing. But is too germy for swimming? - The Conversation Indonesia

It’s hot, and your local river looks enticing. But is too germy for swimming?  The Conversation Indonesia

It’s hot, and your local river looks enticing. But is too germy for swimming? - The Conversation Indonesia
It’s hot, and your local river looks enticing. But is too germy for swimming?  The Conversation Indonesia
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