(RawStory) Michael Grab, a Boulder artist who goes by the name Gravity Glue, said that police threatened to ticket or jail him for creating stacked river rock sculptures that the community has been enjoying for years.
In a Monday Facebook post, Grab explained that a Boulder police officer had informed him that there would be stiff penalties for continuing his art.
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"For the past 7 years i have been creating this art in and around Boulder, Colorado, USA. nearly every day!" he wrote. "[J]ust this weekend, one police officer has decided that balancing rocks in Boulder, Colorado is now illegal, obscurely referencing two city codes [5-4-8 and 5-4-2] about ‘destruction of public property' in relation to rocks."