5 words: contrasting, elegant, unobtrusive, transparency, visibility Theory: The use of contrasting materials such as copper and glass can create an elegant and unobtrusive look on the building and also ensure internal visibility and transparency. Reference: "Transparency and Connectivity: The Glass Skybridge Linking SHoP Architects' American Copper Buildings" 06 Jun 2018. ArchDaily . Accessed 20 Jun 2018 . <https://www.archdaily.com/895610/transparency-and-connectivity-the-glass-skybridge-linking-shop-architects-american-copper-buildings/> ISSN 0719-8884