The climber stands beneath a massive oak, craning his neck to peer into its leafy belly. He throws a nylon rope high into its branches, tests his weight on it, and then, in a matter of seconds, pulls himself 60 feet straight up into the foliage. Swinging from branch to branch on the rope, he deftly strides out onto limbs that bend precariously under his weight. He draws a small saw from a sheath on his belt and gently taps a bell that's taped to one of the branches. Mission accomplished, he rappels back to earth as swiftly as he departed it. He has maneuvered up, down, around and out of the hundred-foot-tall tree in less than... More >>>