“There’s something about the presence of humans and their pets when they go on hikes that causes a bit of a ‘death zone’ of 100 meters on either side of a trail,” said Prof. Rick Knight of Colorado State University.
link“There’s something about the presence of humans and their pets when they go on hikes that causes a bit of a ‘death zone’ of 100 meters on either side of a trail,” said Prof. Rick Knight of Colorado State University.
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