How do artists choose materials for artworks in public space? Stone, metal, glass or wood each carry meanings of their own. On this tour, we explore how materials shape the character of an artwork and become a language through which art communicates with the public. 艺术家如何为公共空间艺术作品选择材料？石头、金属、玻璃或木材，每一种都蕴含着独特的意义。本次导览将探讨材料如何塑造艺术作品的特质，并成为艺术与公众沟通的语言。