This artificial hand has a power to squeeze a tree this one was installed by and Italian artist back in 1968 to the tree and it is still going strong.
“I feel the forest breathing, and hear the slow, inexorable growth of the wood,” Penone wrote in 1968. “I match my breathing to that of the green world around me, I feel the flow of the tree around my hand placed against the trunk.” It’s hard to know what impact the metal will have on the tree in the long run, but the contrast between cold metal and organic wood looks mesmerizing.