Adrian then arranges them in precarious positions by very carefully 'feeling' the balancing point of each rock - a process that requires supreme skill.

然后，阿德里安会小心翼翼地“感受”每块石头的平衡点，把它们摆放成各种造型，这些石头的摆放方式看起来就有种摇摇欲坠的感觉。这种叠石头的过程要求具有高超的技巧。