https://worldarchitecture.org/article-links/eefen/coppercolored-staircase-and-minibamboo-trees-provide-tropical-interior-for-this-office-in-vietnam.html 

This copper-colored staircase is placed in the interior of an office space in Vietnam to create a tropical feeling inside to its employees.

Designed by Hanoi-based architecture firm iplus Architecture, the 670-square-metre office space was designed for Giao Hang Tiet Kiem., JSC, a grown start-up delivery company found in 2012, with core values as “fast, flexible and friendly”.