I would like to start with a brief news item in the August 1999 issue of National Geographic which gives some food for thought: "With 5,000 climbing routes, such as Double Dogleg and Walk on the Wild Side, California's Joshua Tree National Park attracts about 140,000 enthusiasts a year to test their skill on granite boulders. But some visitors view their metal bolts as defacements hammered into rocks.
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Ugo Leone
Author
University of Naples
Citation
ISSN
:
1824-2049
Publication Name:
Journal of Science Communication
Volume:
3
Number:
3
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