Matthijs (30) ravaged by a swarm of ‘bite flies’: ‘You didn’t see a bone anymore’

A round of paddle boarding on the Zevenhuizerplas ended in a painful adventure for Rotterdammer Matthijs Klamer (30) last week. He was preyed upon by a swarm of ‘black biting flies’. The result? Two swollen ankles, a swollen knee and huge lumps on his arms. He wants to warn everyone. “I don’t wish this on anyone.”

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