We gathered our cameras together and walked. “Quietly,” said Charles. We walked more quietly. It was difficult to be that quiet struggling through a wide, marsh-filled gully, with our boots and even our knees farting and belching in the mud. Mark entertained us by whispering interesting facts to us. “Did you know,” he said, “that bilharzia is the second most common disease in the world after tooth decay?” “No, really,” I said. “It’s very interesting,” said Mark. “It’s a disease you get from wading through infected water. Tiny snails breed in the water and they act as hosts to tiny parasitic
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