“…Established on the foundation of the Yin–Yang three-layered structure, the eight-trigram model symbolises natural rotations and permutations among the eight annual seasons (e.g. spring, summer, autumn and winter and the transitional seasons in between) as well as the coexistence of the eight primordial forces in the universe (heaven, lakes, fire, thunder, wind, water, mountains and earth) [ 44 , 47 ]. Against this background, the Yin–Yang harmony mentality creates an intuitive predisposition for grasping a symbiotic coexistence among economic and environmental elements.…”