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<a href="/cliparts/8/X/5/1/M/9/human-presence-th.png"><img src="/cliparts/8/X/5/1/M/9/human-presence-th.png" alt='Environmental Issue: Human Presence clip art'/></a>
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<a href="/cliparts/8/X/5/1/M/9/human-presence-md.png"><img src="/cliparts/8/X/5/1/M/9/human-presence-md.png" alt='Environmental Issue: Human Presence clip art'/></a>
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