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With beautiful springtime weather descending on the region in recent weeks, locals have taken to Marquette’s lakeshore to construct rock cairns, which are defined as human-made stacks, mounds or piles of rocks that have been built by cultures around the world for many different purposes, according to livescience.com. In a nature setting, cairns are commonly used to to mark hiking routes and trails, according to the National Park Service. (Journal photos by Ryan Spitza)