Big features, crazy formations, caves, pinnacles, whatever; upclose and pulling hard, rock is rock.
巨大的岩壁、疯狂的结构、大洞、顶峰，不论怎样，接近顶点努力攀爬，岩壁就是岩壁。
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The Light Touch casts a big image from upclose by bouncing lasers off a 0.4-inch microdisplay, using techniques from holography to keep the picture in focus despite the sharp projection angle.