translation.en: And trees ultimately became such a powerful visual metaphor because in many ways, they really embody this human desire for order, for balance, for unity, for symmetry.
translation.zh: 最终，树变为一种有效的视觉象征。 因为它在很多方面都能体现， 人类对秩序、平衡、 统一、对称的渴望。